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Finding the Fourth Proportional to 86,613.96, 119,526.12 and 48,374.16

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Solution

The fourth proportional to 86,613.96, 119,526.12 and 48,374.16 is: 66,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,613.96 : 119,526.12 = 48,374.16 : x
  2. Step 2: Convert to fraction form
    86,613.96/119,526.12 = 48,374.16/x
  3. Step 3: Cross multiply
    86,613.96x = 119,526.12 × 48,374.16
  4. Step 4: Simplify right side
    86,613.96x = 5,781,975,653.06
  5. Step 5: Solve for x
    x = 5,781,975,653.06/86,613.96
  6. Step 6: Final answer
    x = 66,755.70

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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.