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Finding the Fourth Proportional to 98,972.48, 148,472.40 and 32,417.84

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Solution

The fourth proportional to 98,972.48, 148,472.40 and 32,417.84 is: 48,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,972.48 : 148,472.40 = 32,417.84 : x
  2. Step 2: Convert to fraction form
    98,972.48/148,472.40 = 32,417.84/x
  3. Step 3: Cross multiply
    98,972.48x = 148,472.40 × 32,417.84
  4. Step 4: Simplify right side
    98,972.48x = 4,813,154,507.62
  5. Step 5: Solve for x
    x = 4,813,154,507.62/98,972.48
  6. Step 6: Final answer
    x = 48,631.24

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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.