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Finding the Fourth Proportional to 114,059.25, 157,400.12 and 63,070.86

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Solution

The fourth proportional to 114,059.25, 157,400.12 and 63,070.86 is: 87,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,059.25 : 157,400.12 = 63,070.86 : x
  2. Step 2: Convert to fraction form
    114,059.25/157,400.12 = 63,070.86/x
  3. Step 3: Cross multiply
    114,059.25x = 157,400.12 × 63,070.86
  4. Step 4: Simplify right side
    114,059.25x = 9,927,360,932.50
  5. Step 5: Solve for x
    x = 9,927,360,932.50/114,059.25
  6. Step 6: Final answer
    x = 87,036.88

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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.