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Finding the Fourth Proportional to 125,368.59, 173,023.52 and 75,066.51

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Solution

The fourth proportional to 125,368.59, 173,023.52 and 75,066.51 is: 103,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,368.59 : 173,023.52 = 75,066.51 : x
  2. Step 2: Convert to fraction form
    125,368.59/173,023.52 = 75,066.51/x
  3. Step 3: Cross multiply
    125,368.59x = 173,023.52 × 75,066.51
  4. Step 4: Simplify right side
    125,368.59x = 12,988,271,418.98
  5. Step 5: Solve for x
    x = 12,988,271,418.98/125,368.59
  6. Step 6: Final answer
    x = 103,600.68

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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.