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Finding the Fourth Proportional to 125,032.50, 187,548.75 and 37,480.50

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Solution

The fourth proportional to 125,032.50, 187,548.75 and 37,480.50 is: 56,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,032.50 : 187,548.75 = 37,480.50 : x
  2. Step 2: Convert to fraction form
    125,032.50/187,548.75 = 37,480.50/x
  3. Step 3: Cross multiply
    125,032.50x = 187,548.75 × 37,480.50
  4. Step 4: Simplify right side
    125,032.50x = 7,029,420,924.38
  5. Step 5: Solve for x
    x = 7,029,420,924.38/125,032.50
  6. Step 6: Final answer
    x = 56,220.75

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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.