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Finding the Fourth Proportional to 103,573.54, 142,925.88 and 58,258.90

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Solution

The fourth proportional to 103,573.54, 142,925.88 and 58,258.90 is: 80,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,573.54 : 142,925.88 = 58,258.90 : x
  2. Step 2: Convert to fraction form
    103,573.54/142,925.88 = 58,258.90/x
  3. Step 3: Cross multiply
    103,573.54x = 142,925.88 × 58,258.90
  4. Step 4: Simplify right side
    103,573.54x = 8,326,704,550.33
  5. Step 5: Solve for x
    x = 8,326,704,550.33/103,573.54
  6. Step 6: Final answer
    x = 80,394.13

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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.