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Finding the Fourth Proportional to 114,320.40, 157,760.12 and 63,332.98

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Solution

The fourth proportional to 114,320.40, 157,760.12 and 63,332.98 is: 87,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,320.40 : 157,760.12 = 63,332.98 : x
  2. Step 2: Convert to fraction form
    114,320.40/157,760.12 = 63,332.98/x
  3. Step 3: Cross multiply
    114,320.40x = 157,760.12 × 63,332.98
  4. Step 4: Simplify right side
    114,320.40x = 9,991,418,524.76
  5. Step 5: Solve for x
    x = 9,991,418,524.76/114,320.40
  6. Step 6: Final answer
    x = 87,398.39

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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.