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Finding the Fourth Proportional to 229,179.63, 316,263.12 and 127,199.11

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Solution

The fourth proportional to 229,179.63, 316,263.12 and 127,199.11 is: 175,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,179.63 : 316,263.12 = 127,199.11 : x
  2. Step 2: Convert to fraction form
    229,179.63/316,263.12 = 127,199.11/x
  3. Step 3: Cross multiply
    229,179.63x = 316,263.12 × 127,199.11
  4. Step 4: Simplify right side
    229,179.63x = 40,228,386,599.17
  5. Step 5: Solve for x
    x = 40,228,386,599.17/229,179.63
  6. Step 6: Final answer
    x = 175,532.12

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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.