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Finding the Fourth Proportional to 114,011.52, 157,335.09 and 63,710.52

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Solution

The fourth proportional to 114,011.52, 157,335.09 and 63,710.52 is: 87,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,011.52 : 157,335.09 = 63,710.52 : x
  2. Step 2: Convert to fraction form
    114,011.52/157,335.09 = 63,710.52/x
  3. Step 3: Cross multiply
    114,011.52x = 157,335.09 × 63,710.52
  4. Step 4: Simplify right side
    114,011.52x = 10,023,900,398.15
  5. Step 5: Solve for x
    x = 10,023,900,398.15/114,011.52
  6. Step 6: Final answer
    x = 87,920.07

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1.5x scale

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.