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Finding the Fourth Proportional to 125,398.59, 173,047.77 and 70,950.18

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Solution

The fourth proportional to 125,398.59, 173,047.77 and 70,950.18 is: 97,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,398.59 : 173,047.77 = 70,950.18 : x
  2. Step 2: Convert to fraction form
    125,398.59/173,047.77 = 70,950.18/x
  3. Step 3: Cross multiply
    125,398.59x = 173,047.77 × 70,950.18
  4. Step 4: Simplify right side
    125,398.59x = 12,277,770,430.10
  5. Step 5: Solve for x
    x = 12,277,770,430.10/125,398.59
  6. Step 6: Final answer
    x = 97,909.96

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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.