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Finding the Fourth Proportional to 232,407.70, 348,643.95 and 99,286.90

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Solution

The fourth proportional to 232,407.70, 348,643.95 and 99,286.90 is: 148,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,407.70 : 348,643.95 = 99,286.90 : x
  2. Step 2: Convert to fraction form
    232,407.70/348,643.95 = 99,286.90/x
  3. Step 3: Cross multiply
    232,407.70x = 348,643.95 × 99,286.90
  4. Step 4: Simplify right side
    232,407.70x = 34,615,776,999.26
  5. Step 5: Solve for x
    x = 34,615,776,999.26/232,407.70
  6. Step 6: Final answer
    x = 148,944.19

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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.