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Finding the Fourth Proportional to 116,663.04, 160,909.04 and 87,983.92

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Solution

The fourth proportional to 116,663.04, 160,909.04 and 87,983.92 is: 121,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,663.04 : 160,909.04 = 87,983.92 : x
  2. Step 2: Convert to fraction form
    116,663.04/160,909.04 = 87,983.92/x
  3. Step 3: Cross multiply
    116,663.04x = 160,909.04 × 87,983.92
  4. Step 4: Simplify right side
    116,663.04x = 14,157,408,102.64
  5. Step 5: Solve for x
    x = 14,157,408,102.64/116,663.04
  6. Step 6: Final answer
    x = 121,352.98

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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.