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Finding the Fourth Proportional to 144,663.36, 216,889.90 and 60,447.63

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Solution

The fourth proportional to 144,663.36, 216,889.90 and 60,447.63 is: 90,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,663.36 : 216,889.90 = 60,447.63 : x
  2. Step 2: Convert to fraction form
    144,663.36/216,889.90 = 60,447.63/x
  3. Step 3: Cross multiply
    144,663.36x = 216,889.90 × 60,447.63
  4. Step 4: Simplify right side
    144,663.36x = 13,110,480,123.70
  5. Step 5: Solve for x
    x = 13,110,480,123.70/144,663.36
  6. Step 6: Final answer
    x = 90,627.51

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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.