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Finding the Fourth Proportional to 269,482.95, 371,792.54 and 172,740.15

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Solution

The fourth proportional to 269,482.95, 371,792.54 and 172,740.15 is: 238,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,482.95 : 371,792.54 = 172,740.15 : x
  2. Step 2: Convert to fraction form
    269,482.95/371,792.54 = 172,740.15/x
  3. Step 3: Cross multiply
    269,482.95x = 371,792.54 × 172,740.15
  4. Step 4: Simplify right side
    269,482.95x = 64,223,498,264.78
  5. Step 5: Solve for x
    x = 64,223,498,264.78/269,482.95
  6. Step 6: Final answer
    x = 238,321.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.