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Finding the Fourth Proportional to 157,279.95, 217,254.06 and 116,526.87

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Solution

The fourth proportional to 157,279.95, 217,254.06 and 116,526.87 is: 160,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,279.95 : 217,254.06 = 116,526.87 : x
  2. Step 2: Convert to fraction form
    157,279.95/217,254.06 = 116,526.87/x
  3. Step 3: Cross multiply
    157,279.95x = 217,254.06 × 116,526.87
  4. Step 4: Simplify right side
    157,279.95x = 25,315,935,606.59
  5. Step 5: Solve for x
    x = 25,315,935,606.59/157,279.95
  6. Step 6: Final answer
    x = 160,960.98

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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.