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Finding the Fourth Proportional to 155,554.88, 214,677.54 and 94,318.88

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Solution

The fourth proportional to 155,554.88, 214,677.54 and 94,318.88 is: 130,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,554.88 : 214,677.54 = 94,318.88 : x
  2. Step 2: Convert to fraction form
    155,554.88/214,677.54 = 94,318.88/x
  3. Step 3: Cross multiply
    155,554.88x = 214,677.54 × 94,318.88
  4. Step 4: Simplify right side
    155,554.88x = 20,248,144,060.57
  5. Step 5: Solve for x
    x = 20,248,144,060.57/155,554.88
  6. Step 6: Final answer
    x = 130,167.21

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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.