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Finding the Fourth Proportional to 98,897.60, 148,461.60 and 59,499.20

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Solution

The fourth proportional to 98,897.60, 148,461.60 and 59,499.20 is: 89,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.60 : 148,461.60 = 59,499.20 : x
  2. Step 2: Convert to fraction form
    98,897.60/148,461.60 = 59,499.20/x
  3. Step 3: Cross multiply
    98,897.60x = 148,461.60 × 59,499.20
  4. Step 4: Simplify right side
    98,897.60x = 8,833,346,430.72
  5. Step 5: Solve for x
    x = 8,833,346,430.72/98,897.60
  6. Step 6: Final answer
    x = 89,318.11

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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.