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Finding the Fourth Proportional to 155,557.88, 214,681.68 and 94,321.88

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Solution

The fourth proportional to 155,557.88, 214,681.68 and 94,321.88 is: 130,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,557.88 : 214,681.68 = 94,321.88 : x
  2. Step 2: Convert to fraction form
    155,557.88/214,681.68 = 94,321.88/x
  3. Step 3: Cross multiply
    155,557.88x = 214,681.68 × 94,321.88
  4. Step 4: Simplify right side
    155,557.88x = 20,249,178,585.75
  5. Step 5: Solve for x
    x = 20,249,178,585.75/155,557.88
  6. Step 6: Final answer
    x = 130,171.35

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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.