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Finding the Fourth Proportional to 176,973.68, 265,378.98 and 57,008.90

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Solution

The fourth proportional to 176,973.68, 265,378.98 and 57,008.90 is: 85,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,973.68 : 265,378.98 = 57,008.90 : x
  2. Step 2: Convert to fraction form
    176,973.68/265,378.98 = 57,008.90/x
  3. Step 3: Cross multiply
    176,973.68x = 265,378.98 × 57,008.90
  4. Step 4: Simplify right side
    176,973.68x = 15,128,963,732.92
  5. Step 5: Solve for x
    x = 15,128,963,732.92/176,973.68
  6. Step 6: Final answer
    x = 85,487.08

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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.