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Finding the Fourth Proportional to 229,155.94, 316,251.30 and 127,191.52

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Solution

The fourth proportional to 229,155.94, 316,251.30 and 127,191.52 is: 175,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,155.94 : 316,251.30 = 127,191.52 : x
  2. Step 2: Convert to fraction form
    229,155.94/316,251.30 = 127,191.52/x
  3. Step 3: Cross multiply
    229,155.94x = 316,251.30 × 127,191.52
  4. Step 4: Simplify right side
    229,155.94x = 40,224,483,548.98
  5. Step 5: Solve for x
    x = 40,224,483,548.98/229,155.94
  6. Step 6: Final answer
    x = 175,533.24

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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.