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Finding the Fourth Proportional to 158,252.64, 218,290.28 and 97,841.76

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Solution

The fourth proportional to 158,252.64, 218,290.28 and 97,841.76 is: 134,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,252.64 : 218,290.28 = 97,841.76 : x
  2. Step 2: Convert to fraction form
    158,252.64/218,290.28 = 97,841.76/x
  3. Step 3: Cross multiply
    158,252.64x = 218,290.28 × 97,841.76
  4. Step 4: Simplify right side
    158,252.64x = 21,357,905,186.09
  5. Step 5: Solve for x
    x = 21,357,905,186.09/158,252.64
  6. Step 6: Final answer
    x = 134,960.81

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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.