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Finding the Fourth Proportional to 248,345.70, 372,382.47 and 98,434.14

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Solution

The fourth proportional to 248,345.70, 372,382.47 and 98,434.14 is: 147,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,345.70 : 372,382.47 = 98,434.14 : x
  2. Step 2: Convert to fraction form
    248,345.70/372,382.47 = 98,434.14/x
  3. Step 3: Cross multiply
    248,345.70x = 372,382.47 × 98,434.14
  4. Step 4: Simplify right side
    248,345.70x = 36,655,148,185.53
  5. Step 5: Solve for x
    x = 36,655,148,185.53/248,345.70
  6. Step 6: Final answer
    x = 147,597.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.