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Finding the Fourth Proportional to 98,533.44, 147,808.31 and 42,374.88

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Solution

The fourth proportional to 98,533.44, 147,808.31 and 42,374.88 is: 63,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,533.44 : 147,808.31 = 42,374.88 : x
  2. Step 2: Convert to fraction form
    98,533.44/147,808.31 = 42,374.88/x
  3. Step 3: Cross multiply
    98,533.44x = 147,808.31 × 42,374.88
  4. Step 4: Simplify right side
    98,533.44x = 6,263,359,187.38
  5. Step 5: Solve for x
    x = 6,263,359,187.38/98,533.44
  6. Step 6: Final answer
    x = 63,565.82

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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.