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Finding the Fourth Proportional to 176,871.74, 265,140.80 and 88,041.26

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Solution

The fourth proportional to 176,871.74, 265,140.80 and 88,041.26 is: 131,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,871.74 : 265,140.80 = 88,041.26 : x
  2. Step 2: Convert to fraction form
    176,871.74/265,140.80 = 88,041.26/x
  3. Step 3: Cross multiply
    176,871.74x = 265,140.80 × 88,041.26
  4. Step 4: Simplify right side
    176,871.74x = 23,343,330,109.41
  5. Step 5: Solve for x
    x = 23,343,330,109.41/176,871.74
  6. Step 6: Final answer
    x = 131,978.86

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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.