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Finding the Fourth Proportional to 299,065.58, 448,622.66 and 88,702.90

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Solution

The fourth proportional to 299,065.58, 448,622.66 and 88,702.90 is: 133,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,065.58 : 448,622.66 = 88,702.90 : x
  2. Step 2: Convert to fraction form
    299,065.58/448,622.66 = 88,702.90/x
  3. Step 3: Cross multiply
    299,065.58x = 448,622.66 × 88,702.90
  4. Step 4: Simplify right side
    299,065.58x = 39,794,130,947.71
  5. Step 5: Solve for x
    x = 39,794,130,947.71/299,065.58
  6. Step 6: Final answer
    x = 133,061.55

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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.