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Finding the Fourth Proportional to 114,681,008.80, 172,021,513.20 and 114,681,008.80

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Solution

The fourth proportional to 114,681,008.80, 172,021,513.20 and 114,681,008.80 is: 172,021,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,681,008.80 : 172,021,513.20 = 114,681,008.80 : x
  2. Step 2: Convert to fraction form
    114,681,008.80/172,021,513.20 = 114,681,008.80/x
  3. Step 3: Cross multiply
    114,681,008.80x = 172,021,513.20 × 114,681,008.80
  4. Step 4: Simplify right side
    114,681,008.80x = 19,727,600,669,078,516
  5. Step 5: Solve for x
    x = 19,727,600,669,078,516/114,681,008.80
  6. Step 6: Final answer
    x = 172,021,513.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.