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Finding the Fourth Proportional to 232,459.20, 348,640.20 and 99,343.80

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Solution

The fourth proportional to 232,459.20, 348,640.20 and 99,343.80 is: 148,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,459.20 : 348,640.20 = 99,343.80 : x
  2. Step 2: Convert to fraction form
    232,459.20/348,640.20 = 99,343.80/x
  3. Step 3: Cross multiply
    232,459.20x = 348,640.20 × 99,343.80
  4. Step 4: Simplify right side
    232,459.20x = 34,635,242,300.76
  5. Step 5: Solve for x
    x = 34,635,242,300.76/232,459.20
  6. Step 6: Final answer
    x = 148,994.93

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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.