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Finding the Fourth Proportional to 316,871.48, 475,360.08 and 117,192.32

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Solution

The fourth proportional to 316,871.48, 475,360.08 and 117,192.32 is: 175,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,871.48 : 475,360.08 = 117,192.32 : x
  2. Step 2: Convert to fraction form
    316,871.48/475,360.08 = 117,192.32/x
  3. Step 3: Cross multiply
    316,871.48x = 475,360.08 × 117,192.32
  4. Step 4: Simplify right side
    316,871.48x = 55,708,550,610.59
  5. Step 5: Solve for x
    x = 55,708,550,610.59/316,871.48
  6. Step 6: Final answer
    x = 175,808.03

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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.