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Finding the Fourth Proportional to 268,503.32, 370,535.92 and 147,652.40

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Solution

The fourth proportional to 268,503.32, 370,535.92 and 147,652.40 is: 203,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,503.32 : 370,535.92 = 147,652.40 : x
  2. Step 2: Convert to fraction form
    268,503.32/370,535.92 = 147,652.40/x
  3. Step 3: Cross multiply
    268,503.32x = 370,535.92 × 147,652.40
  4. Step 4: Simplify right side
    268,503.32x = 54,710,518,431.42
  5. Step 5: Solve for x
    x = 54,710,518,431.42/268,503.32
  6. Step 6: Final answer
    x = 203,761.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.