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Finding the Fourth Proportional to 102,950.39, 153,740.46 and 101,837.08

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Solution

The fourth proportional to 102,950.39, 153,740.46 and 101,837.08 is: 152,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,950.39 : 153,740.46 = 101,837.08 : x
  2. Step 2: Convert to fraction form
    102,950.39/153,740.46 = 101,837.08/x
  3. Step 3: Cross multiply
    102,950.39x = 153,740.46 × 101,837.08
  4. Step 4: Simplify right side
    102,950.39x = 15,656,480,098.32
  5. Step 5: Solve for x
    x = 15,656,480,098.32/102,950.39
  6. Step 6: Final answer
    x = 152,077.91

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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.