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Finding the Fourth Proportional to 118,492.04, 177,754.80 and 38,503.46

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Solution

The fourth proportional to 118,492.04, 177,754.80 and 38,503.46 is: 57,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,492.04 : 177,754.80 = 38,503.46 : x
  2. Step 2: Convert to fraction form
    118,492.04/177,754.80 = 38,503.46/x
  3. Step 3: Cross multiply
    118,492.04x = 177,754.80 × 38,503.46
  4. Step 4: Simplify right side
    118,492.04x = 6,844,174,831.61
  5. Step 5: Solve for x
    x = 6,844,174,831.61/118,492.04
  6. Step 6: Final answer
    x = 57,760.63

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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.