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Finding the Fourth Proportional to 248,117.16, 372,298.86 and 98,354.28

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Solution

The fourth proportional to 248,117.16, 372,298.86 and 98,354.28 is: 147,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,117.16 : 372,298.86 = 98,354.28 : x
  2. Step 2: Convert to fraction form
    248,117.16/372,298.86 = 98,354.28/x
  3. Step 3: Cross multiply
    248,117.16x = 372,298.86 × 98,354.28
  4. Step 4: Simplify right side
    248,117.16x = 36,617,186,320.12
  5. Step 5: Solve for x
    x = 36,617,186,320.12/248,117.16
  6. Step 6: Final answer
    x = 147,580.23

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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.