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Finding the Fourth Proportional to 125,118.30, 187,677.45 and 125,118.30

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Solution

The fourth proportional to 125,118.30, 187,677.45 and 125,118.30 is: 187,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,118.30 : 187,677.45 = 125,118.30 : x
  2. Step 2: Convert to fraction form
    125,118.30/187,677.45 = 125,118.30/x
  3. Step 3: Cross multiply
    125,118.30x = 187,677.45 × 125,118.30
  4. Step 4: Simplify right side
    125,118.30x = 23,481,883,492.34
  5. Step 5: Solve for x
    x = 23,481,883,492.34/125,118.30
  6. Step 6: Final answer
    x = 187,677.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.