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Finding the Fourth Proportional to 180,473.17, 249,049.95 and 99,898.96

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Solution

The fourth proportional to 180,473.17, 249,049.95 and 99,898.96 is: 137,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,473.17 : 249,049.95 = 99,898.96 : x
  2. Step 2: Convert to fraction form
    180,473.17/249,049.95 = 99,898.96/x
  3. Step 3: Cross multiply
    180,473.17x = 249,049.95 × 99,898.96
  4. Step 4: Simplify right side
    180,473.17x = 24,879,831,615.68
  5. Step 5: Solve for x
    x = 24,879,831,615.68/180,473.17
  6. Step 6: Final answer
    x = 137,858.89

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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.