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Finding the Fourth Proportional to 84,562.55, 116,774.76 and 63,304.91

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Solution

The fourth proportional to 84,562.55, 116,774.76 and 63,304.91 is: 87,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,562.55 : 116,774.76 = 63,304.91 : x
  2. Step 2: Convert to fraction form
    84,562.55/116,774.76 = 63,304.91/x
  3. Step 3: Cross multiply
    84,562.55x = 116,774.76 × 63,304.91
  4. Step 4: Simplify right side
    84,562.55x = 7,392,415,088.20
  5. Step 5: Solve for x
    x = 7,392,415,088.20/84,562.55
  6. Step 6: Final answer
    x = 87,419.50

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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.