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Finding the Fourth Proportional to 157,024.85, 216,715.30 and 89,066.45

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Solution

The fourth proportional to 157,024.85, 216,715.30 and 89,066.45 is: 122,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,024.85 : 216,715.30 = 89,066.45 : x
  2. Step 2: Convert to fraction form
    157,024.85/216,715.30 = 89,066.45/x
  3. Step 3: Cross multiply
    157,024.85x = 216,715.30 × 89,066.45
  4. Step 4: Simplify right side
    157,024.85x = 19,302,062,750.81
  5. Step 5: Solve for x
    x = 19,302,062,750.81/157,024.85
  6. Step 6: Final answer
    x = 122,923.62

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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.