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Finding the Fourth Proportional to 247,937.64, 342,153.93 and 147,335.64

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Solution

The fourth proportional to 247,937.64, 342,153.93 and 147,335.64 is: 203,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,937.64 : 342,153.93 = 147,335.64 : x
  2. Step 2: Convert to fraction form
    247,937.64/342,153.93 = 147,335.64/x
  3. Step 3: Cross multiply
    247,937.64x = 342,153.93 × 147,335.64
  4. Step 4: Simplify right side
    247,937.64x = 50,411,468,255.07
  5. Step 5: Solve for x
    x = 50,411,468,255.07/247,937.64
  6. Step 6: Final answer
    x = 203,323.18

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1.5x scale

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.