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Finding the Fourth Proportional to 127,117.10, 190,675.65 and 125,950.70

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Solution

The fourth proportional to 127,117.10, 190,675.65 and 125,950.70 is: 188,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.10 : 190,675.65 = 125,950.70 : x
  2. Step 2: Convert to fraction form
    127,117.10/190,675.65 = 125,950.70/x
  3. Step 3: Cross multiply
    127,117.10x = 190,675.65 × 125,950.70
  4. Step 4: Simplify right side
    127,117.10x = 24,015,731,590.46
  5. Step 5: Solve for x
    x = 24,015,731,590.46/127,117.10
  6. Step 6: Final answer
    x = 188,926.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.