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Finding the Fourth Proportional to 247,877.60, 342,070.24 and 134,700.32

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Solution

The fourth proportional to 247,877.60, 342,070.24 and 134,700.32 is: 185,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,877.60 : 342,070.24 = 134,700.32 : x
  2. Step 2: Convert to fraction form
    247,877.60/342,070.24 = 134,700.32/x
  3. Step 3: Cross multiply
    247,877.60x = 342,070.24 × 134,700.32
  4. Step 4: Simplify right side
    247,877.60x = 46,076,970,790.48
  5. Step 5: Solve for x
    x = 46,076,970,790.48/247,877.60
  6. Step 6: Final answer
    x = 185,885.98

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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.