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Finding the Fourth Proportional to 353,787.94, 530,751.95 and 101,070.61

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Solution

The fourth proportional to 353,787.94, 530,751.95 and 101,070.61 is: 151,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,787.94 : 530,751.95 = 101,070.61 : x
  2. Step 2: Convert to fraction form
    353,787.94/530,751.95 = 101,070.61/x
  3. Step 3: Cross multiply
    353,787.94x = 530,751.95 × 101,070.61
  4. Step 4: Simplify right side
    353,787.94x = 53,643,423,345.19
  5. Step 5: Solve for x
    x = 53,643,423,345.19/353,787.94
  6. Step 6: Final answer
    x = 151,625.92

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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.