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Finding the Fourth Proportional to 355,053.30, 532,579.95 and 88,813.82

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Solution

The fourth proportional to 355,053.30, 532,579.95 and 88,813.82 is: 133,220.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,053.30 : 532,579.95 = 88,813.82 : x
  2. Step 2: Convert to fraction form
    355,053.30/532,579.95 = 88,813.82/x
  3. Step 3: Cross multiply
    355,053.30x = 532,579.95 × 88,813.82
  4. Step 4: Simplify right side
    355,053.30x = 47,300,457,152.01
  5. Step 5: Solve for x
    x = 47,300,457,152.01/355,053.30
  6. Step 6: Final answer
    x = 133,220.72

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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.