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Finding the Fourth Proportional to 176,799.80, 265,199.70 and 141,807.80

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Solution

The fourth proportional to 176,799.80, 265,199.70 and 141,807.80 is: 212,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,799.80 : 265,199.70 = 141,807.80 : x
  2. Step 2: Convert to fraction form
    176,799.80/265,199.70 = 141,807.80/x
  3. Step 3: Cross multiply
    176,799.80x = 265,199.70 × 141,807.80
  4. Step 4: Simplify right side
    176,799.80x = 37,607,386,017.66
  5. Step 5: Solve for x
    x = 37,607,386,017.66/176,799.80
  6. Step 6: Final answer
    x = 212,711.70

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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.