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Finding the Fourth Proportional to 155,152.13, 214,110.14 and 88,084.13

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Solution

The fourth proportional to 155,152.13, 214,110.14 and 88,084.13 is: 121,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,152.13 : 214,110.14 = 88,084.13 : x
  2. Step 2: Convert to fraction form
    155,152.13/214,110.14 = 88,084.13/x
  3. Step 3: Cross multiply
    155,152.13x = 214,110.14 × 88,084.13
  4. Step 4: Simplify right side
    155,152.13x = 18,859,703,895.11
  5. Step 5: Solve for x
    x = 18,859,703,895.11/155,152.13
  6. Step 6: Final answer
    x = 121,556.21

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1.5x scale

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.