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Finding the Fourth Proportional to 125,041.88, 172,559.86 and 70,596.92

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Solution

The fourth proportional to 125,041.88, 172,559.86 and 70,596.92 is: 97,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.88 : 172,559.86 = 70,596.92 : x
  2. Step 2: Convert to fraction form
    125,041.88/172,559.86 = 70,596.92/x
  3. Step 3: Cross multiply
    125,041.88x = 172,559.86 × 70,596.92
  4. Step 4: Simplify right side
    125,041.88x = 12,182,194,631.63
  5. Step 5: Solve for x
    x = 12,182,194,631.63/125,041.88
  6. Step 6: Final answer
    x = 97,424.92

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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.