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Finding the Fourth Proportional to 229,316.93, 316,446.78 and 127,348.93

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Solution

The fourth proportional to 229,316.93, 316,446.78 and 127,348.93 is: 175,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,316.93 : 316,446.78 = 127,348.93 : x
  2. Step 2: Convert to fraction form
    229,316.93/316,446.78 = 127,348.93/x
  3. Step 3: Cross multiply
    229,316.93x = 316,446.78 × 127,348.93
  4. Step 4: Simplify right side
    229,316.93x = 40,299,158,834.95
  5. Step 5: Solve for x
    x = 40,299,158,834.95/229,316.93
  6. Step 6: Final answer
    x = 175,735.65

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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.