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Finding the Fourth Proportional to 114,066.92, 157,387.62 and 63,764.20

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Solution

The fourth proportional to 114,066.92, 157,387.62 and 63,764.20 is: 87,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,066.92 : 157,387.62 = 63,764.20 : x
  2. Step 2: Convert to fraction form
    114,066.92/157,387.62 = 63,764.20/x
  3. Step 3: Cross multiply
    114,066.92x = 157,387.62 × 63,764.20
  4. Step 4: Simplify right side
    114,066.92x = 10,035,695,679.20
  5. Step 5: Solve for x
    x = 10,035,695,679.20/114,066.92
  6. Step 6: Final answer
    x = 87,980.77

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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.