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Finding the Fourth Proportional to 229,666.96, 316,950.95 and 127,702.89

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Solution

The fourth proportional to 229,666.96, 316,950.95 and 127,702.89 is: 176,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,666.96 : 316,950.95 = 127,702.89 : x
  2. Step 2: Convert to fraction form
    229,666.96/316,950.95 = 127,702.89/x
  3. Step 3: Cross multiply
    229,666.96x = 316,950.95 × 127,702.89
  4. Step 4: Simplify right side
    229,666.96x = 40,475,550,079.98
  5. Step 5: Solve for x
    x = 40,475,550,079.98/229,666.96
  6. Step 6: Final answer
    x = 176,235.85

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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.