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Finding the Fourth Proportional to 98,527.69, 147,799.68 and 42,369.13

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Solution

The fourth proportional to 98,527.69, 147,799.68 and 42,369.13 is: 63,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,527.69 : 147,799.68 = 42,369.13 : x
  2. Step 2: Convert to fraction form
    98,527.69/147,799.68 = 42,369.13/x
  3. Step 3: Cross multiply
    98,527.69x = 147,799.68 × 42,369.13
  4. Step 4: Simplify right side
    98,527.69x = 6,262,143,855.88
  5. Step 5: Solve for x
    x = 6,262,143,855.88/98,527.69
  6. Step 6: Final answer
    x = 63,557.20

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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.