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Finding the Fourth Proportional to 70,459.30, 97,234.63 and 40,248.62

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Solution

The fourth proportional to 70,459.30, 97,234.63 and 40,248.62 is: 55,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459.30 : 97,234.63 = 40,248.62 : x
  2. Step 2: Convert to fraction form
    70,459.30/97,234.63 = 40,248.62/x
  3. Step 3: Cross multiply
    70,459.30x = 97,234.63 × 40,248.62
  4. Step 4: Simplify right side
    70,459.30x = 3,913,559,673.71
  5. Step 5: Solve for x
    x = 3,913,559,673.71/70,459.30
  6. Step 6: Final answer
    x = 55,543.55

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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.