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Finding the Fourth Proportional to 114,009, 157,332.42 and 63,712.68

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Solution

The fourth proportional to 114,009, 157,332.42 and 63,712.68 is: 87,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,009 : 157,332.42 = 63,712.68 : x
  2. Step 2: Convert to fraction form
    114,009/157,332.42 = 63,712.68/x
  3. Step 3: Cross multiply
    114,009x = 157,332.42 × 63,712.68
  4. Step 4: Simplify right side
    114,009x = 10,024,070,129.09
  5. Step 5: Solve for x
    x = 10,024,070,129.09/114,009
  6. Step 6: Final answer
    x = 87,923.50

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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.