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Finding the Fourth Proportional to 146,145.80, 219,218.70 and 93,001.70

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Solution

The fourth proportional to 146,145.80, 219,218.70 and 93,001.70 is: 139,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.80 : 219,218.70 = 93,001.70 : x
  2. Step 2: Convert to fraction form
    146,145.80/219,218.70 = 93,001.70/x
  3. Step 3: Cross multiply
    146,145.80x = 219,218.70 × 93,001.70
  4. Step 4: Simplify right side
    146,145.80x = 20,387,711,771.79
  5. Step 5: Solve for x
    x = 20,387,711,771.79/146,145.80
  6. Step 6: Final answer
    x = 139,502.55

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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.