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Finding the Fourth Proportional to 97,777.60, 146,569.20 and 45,095.20

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Solution

The fourth proportional to 97,777.60, 146,569.20 and 45,095.20 is: 67,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,777.60 : 146,569.20 = 45,095.20 : x
  2. Step 2: Convert to fraction form
    97,777.60/146,569.20 = 45,095.20/x
  3. Step 3: Cross multiply
    97,777.60x = 146,569.20 × 45,095.20
  4. Step 4: Simplify right side
    97,777.60x = 6,609,567,387.84
  5. Step 5: Solve for x
    x = 6,609,567,387.84/97,777.60
  6. Step 6: Final answer
    x = 67,597.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.