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Finding the Fourth Proportional to 213,781.65, 295,006.35 and 118,282.65

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Solution

The fourth proportional to 213,781.65, 295,006.35 and 118,282.65 is: 163,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,781.65 : 295,006.35 = 118,282.65 : x
  2. Step 2: Convert to fraction form
    213,781.65/295,006.35 = 118,282.65/x
  3. Step 3: Cross multiply
    213,781.65x = 295,006.35 × 118,282.65
  4. Step 4: Simplify right side
    213,781.65x = 34,894,132,844.83
  5. Step 5: Solve for x
    x = 34,894,132,844.83/213,781.65
  6. Step 6: Final answer
    x = 163,223.24

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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.