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Finding the Fourth Proportional to 70,153.49, 96,818.49 and 38,327.18

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Solution

The fourth proportional to 70,153.49, 96,818.49 and 38,327.18 is: 52,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.49 : 96,818.49 = 38,327.18 : x
  2. Step 2: Convert to fraction form
    70,153.49/96,818.49 = 38,327.18/x
  3. Step 3: Cross multiply
    70,153.49x = 96,818.49 × 38,327.18
  4. Step 4: Simplify right side
    70,153.49x = 3,710,779,209.47
  5. Step 5: Solve for x
    x = 3,710,779,209.47/70,153.49
  6. Step 6: Final answer
    x = 52,895.15

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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.