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Finding the Fourth Proportional to 157,014.54, 216,675.43 and 89,037.70

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Solution

The fourth proportional to 157,014.54, 216,675.43 and 89,037.70 is: 122,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,014.54 : 216,675.43 = 89,037.70 : x
  2. Step 2: Convert to fraction form
    157,014.54/216,675.43 = 89,037.70/x
  3. Step 3: Cross multiply
    157,014.54x = 216,675.43 × 89,037.70
  4. Step 4: Simplify right side
    157,014.54x = 19,292,281,933.71
  5. Step 5: Solve for x
    x = 19,292,281,933.71/157,014.54
  6. Step 6: Final answer
    x = 122,869.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.