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Finding the Fourth Proportional to 114,924,005.80, 172,386,008.70 and 114,924,005.80

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Solution

The fourth proportional to 114,924,005.80, 172,386,008.70 and 114,924,005.80 is: 172,386,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,924,005.80 : 172,386,008.70 = 114,924,005.80 : x
  2. Step 2: Convert to fraction form
    114,924,005.80/172,386,008.70 = 114,924,005.80/x
  3. Step 3: Cross multiply
    114,924,005.80x = 172,386,008.70 × 114,924,005.80
  4. Step 4: Simplify right side
    114,924,005.80x = 19,811,290,663,677,648
  5. Step 5: Solve for x
    x = 19,811,290,663,677,648/114,924,005.80
  6. Step 6: Final answer
    x = 172,386,008.70

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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.