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Finding the Fourth Proportional to 215,357.01, 297,195.51 and 118,572.13

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Solution

The fourth proportional to 215,357.01, 297,195.51 and 118,572.13 is: 163,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,357.01 : 297,195.51 = 118,572.13 : x
  2. Step 2: Convert to fraction form
    215,357.01/297,195.51 = 118,572.13/x
  3. Step 3: Cross multiply
    215,357.01x = 297,195.51 × 118,572.13
  4. Step 4: Simplify right side
    215,357.01x = 35,239,104,647.14
  5. Step 5: Solve for x
    x = 35,239,104,647.14/215,357.01
  6. Step 6: Final answer
    x = 163,631.10

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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.