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Finding the Fourth Proportional to 248,141.60, 372,212.40 and 98,332.10

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Solution

The fourth proportional to 248,141.60, 372,212.40 and 98,332.10 is: 147,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,141.60 : 372,212.40 = 98,332.10 : x
  2. Step 2: Convert to fraction form
    248,141.60/372,212.40 = 98,332.10/x
  3. Step 3: Cross multiply
    248,141.60x = 372,212.40 × 98,332.10
  4. Step 4: Simplify right side
    248,141.60x = 36,600,426,938.04
  5. Step 5: Solve for x
    x = 36,600,426,938.04/248,141.60
  6. Step 6: Final answer
    x = 147,498.15

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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.