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Finding the Fourth Proportional to 147,592.60, 221,486.10 and 84,412.60

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Solution

The fourth proportional to 147,592.60, 221,486.10 and 84,412.60 is: 126,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,592.60 : 221,486.10 = 84,412.60 : x
  2. Step 2: Convert to fraction form
    147,592.60/221,486.10 = 84,412.60/x
  3. Step 3: Cross multiply
    147,592.60x = 221,486.10 × 84,412.60
  4. Step 4: Simplify right side
    147,592.60x = 18,696,217,564.86
  5. Step 5: Solve for x
    x = 18,696,217,564.86/147,592.60
  6. Step 6: Final answer
    x = 126,674.49

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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.