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Finding the Fourth Proportional to 503,967.05, 755,931.64 and 124,888.87

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Solution

The fourth proportional to 503,967.05, 755,931.64 and 124,888.87 is: 187,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,967.05 : 755,931.64 = 124,888.87 : x
  2. Step 2: Convert to fraction form
    503,967.05/755,931.64 = 124,888.87/x
  3. Step 3: Cross multiply
    503,967.05x = 755,931.64 × 124,888.87
  4. Step 4: Simplify right side
    503,967.05x = 94,407,447,692.40
  5. Step 5: Solve for x
    x = 94,407,447,692.40/503,967.05
  6. Step 6: Final answer
    x = 187,328.61

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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.