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Finding the Fourth Proportional to 98,565.70, 147,848.55 and 36,228.10

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Solution

The fourth proportional to 98,565.70, 147,848.55 and 36,228.10 is: 54,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,565.70 : 147,848.55 = 36,228.10 : x
  2. Step 2: Convert to fraction form
    98,565.70/147,848.55 = 36,228.10/x
  3. Step 3: Cross multiply
    98,565.70x = 147,848.55 × 36,228.10
  4. Step 4: Simplify right side
    98,565.70x = 5,356,272,054.26
  5. Step 5: Solve for x
    x = 5,356,272,054.26/98,565.70
  6. Step 6: Final answer
    x = 54,342.15

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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.