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Finding the Fourth Proportional to 229,005.80, 316,033.08 and 127,027.95

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Solution

The fourth proportional to 229,005.80, 316,033.08 and 127,027.95 is: 175,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,005.80 : 316,033.08 = 127,027.95 : x
  2. Step 2: Convert to fraction form
    229,005.80/316,033.08 = 127,027.95/x
  3. Step 3: Cross multiply
    229,005.80x = 316,033.08 × 127,027.95
  4. Step 4: Simplify right side
    229,005.80x = 40,145,032,623.11
  5. Step 5: Solve for x
    x = 40,145,032,623.11/229,005.80
  6. Step 6: Final answer
    x = 175,301.38

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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.