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Finding the Fourth Proportional to 144,447.88, 216,627.66 and 50,931.76

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Solution

The fourth proportional to 144,447.88, 216,627.66 and 50,931.76 is: 76,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,447.88 : 216,627.66 = 50,931.76 : x
  2. Step 2: Convert to fraction form
    144,447.88/216,627.66 = 50,931.76/x
  3. Step 3: Cross multiply
    144,447.88x = 216,627.66 × 50,931.76
  4. Step 4: Simplify right side
    144,447.88x = 11,033,227,988.48
  5. Step 5: Solve for x
    x = 11,033,227,988.48/144,447.88
  6. Step 6: Final answer
    x = 76,382.07

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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.