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Finding the Fourth Proportional to 144,655.27, 216,103.14 and 93,638.63

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Solution

The fourth proportional to 144,655.27, 216,103.14 and 93,638.63 is: 139,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,655.27 : 216,103.14 = 93,638.63 : x
  2. Step 2: Convert to fraction form
    144,655.27/216,103.14 = 93,638.63/x
  3. Step 3: Cross multiply
    144,655.27x = 216,103.14 × 93,638.63
  4. Step 4: Simplify right side
    144,655.27x = 20,235,602,508.56
  5. Step 5: Solve for x
    x = 20,235,602,508.56/144,655.27
  6. Step 6: Final answer
    x = 139,888.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.