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Finding the Fourth Proportional to 231,054, 318,854.52 and 125,070

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Solution

The fourth proportional to 231,054, 318,854.52 and 125,070 is: 172,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,054 : 318,854.52 = 125,070 : x
  2. Step 2: Convert to fraction form
    231,054/318,854.52 = 125,070/x
  3. Step 3: Cross multiply
    231,054x = 318,854.52 × 125,070
  4. Step 4: Simplify right side
    231,054x = 39,879,134,816.40
  5. Step 5: Solve for x
    x = 39,879,134,816.40/231,054
  6. Step 6: Final answer
    x = 172,596.60

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