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Finding the Fourth Proportional to 114,038.38, 157,359.09 and 63,044.03

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Solution

The fourth proportional to 114,038.38, 157,359.09 and 63,044.03 is: 86,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,038.38 : 157,359.09 = 63,044.03 : x
  2. Step 2: Convert to fraction form
    114,038.38/157,359.09 = 63,044.03/x
  3. Step 3: Cross multiply
    114,038.38x = 157,359.09 × 63,044.03
  4. Step 4: Simplify right side
    114,038.38x = 9,920,551,953.18
  5. Step 5: Solve for x
    x = 9,920,551,953.18/114,038.38
  6. Step 6: Final answer
    x = 86,993.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.