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Finding the Fourth Proportional to 248,332.80, 372,207.60 and 114,931.34

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Solution

The fourth proportional to 248,332.80, 372,207.60 and 114,931.34 is: 172,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,332.80 : 372,207.60 = 114,931.34 : x
  2. Step 2: Convert to fraction form
    248,332.80/372,207.60 = 114,931.34/x
  3. Step 3: Cross multiply
    248,332.80x = 372,207.60 × 114,931.34
  4. Step 4: Simplify right side
    248,332.80x = 42,778,316,365.15
  5. Step 5: Solve for x
    x = 42,778,316,365.15/248,332.80
  6. Step 6: Final answer
    x = 172,262.05

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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.