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Finding the Fourth Proportional to 229,435.41, 316,671.51 and 127,495.92

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Solution

The fourth proportional to 229,435.41, 316,671.51 and 127,495.92 is: 175,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,435.41 : 316,671.51 = 127,495.92 : x
  2. Step 2: Convert to fraction form
    229,435.41/316,671.51 = 127,495.92/x
  3. Step 3: Cross multiply
    229,435.41x = 316,671.51 × 127,495.92
  4. Step 4: Simplify right side
    229,435.41x = 40,374,327,191.10
  5. Step 5: Solve for x
    x = 40,374,327,191.10/229,435.41
  6. Step 6: Final answer
    x = 175,972.52

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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.