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Finding the Fourth Proportional to 180,770.92, 249,460.86 and 99,098.62

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Solution

The fourth proportional to 180,770.92, 249,460.86 and 99,098.62 is: 136,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,770.92 : 249,460.86 = 99,098.62 : x
  2. Step 2: Convert to fraction form
    180,770.92/249,460.86 = 99,098.62/x
  3. Step 3: Cross multiply
    180,770.92x = 249,460.86 × 99,098.62
  4. Step 4: Simplify right side
    180,770.92x = 24,721,226,970.01
  5. Step 5: Solve for x
    x = 24,721,226,970.01/180,770.92
  6. Step 6: Final answer
    x = 136,754.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.