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Finding the Fourth Proportional to 98,999.80, 148,499.70 and 32,442.10

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Solution

The fourth proportional to 98,999.80, 148,499.70 and 32,442.10 is: 48,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.80 : 148,499.70 = 32,442.10 : x
  2. Step 2: Convert to fraction form
    98,999.80/148,499.70 = 32,442.10/x
  3. Step 3: Cross multiply
    98,999.80x = 148,499.70 × 32,442.10
  4. Step 4: Simplify right side
    98,999.80x = 4,817,642,117.37
  5. Step 5: Solve for x
    x = 4,817,642,117.37/98,999.80
  6. Step 6: Final answer
    x = 48,663.15

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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.