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Finding the Fourth Proportional to 144,613.80, 216,920.70 and 97,374.60

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Solution

The fourth proportional to 144,613.80, 216,920.70 and 97,374.60 is: 146,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,613.80 : 216,920.70 = 97,374.60 : x
  2. Step 2: Convert to fraction form
    144,613.80/216,920.70 = 97,374.60/x
  3. Step 3: Cross multiply
    144,613.80x = 216,920.70 × 97,374.60
  4. Step 4: Simplify right side
    144,613.80x = 21,122,566,394.22
  5. Step 5: Solve for x
    x = 21,122,566,394.22/144,613.80
  6. Step 6: Final answer
    x = 146,061.90

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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.