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Finding the Fourth Proportional to 201,562.30, 278,150.08 and 110,918.23

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Solution

The fourth proportional to 201,562.30, 278,150.08 and 110,918.23 is: 153,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,562.30 : 278,150.08 = 110,918.23 : x
  2. Step 2: Convert to fraction form
    201,562.30/278,150.08 = 110,918.23/x
  3. Step 3: Cross multiply
    201,562.30x = 278,150.08 × 110,918.23
  4. Step 4: Simplify right side
    201,562.30x = 30,851,914,547.96
  5. Step 5: Solve for x
    x = 30,851,914,547.96/201,562.30
  6. Step 6: Final answer
    x = 153,063.91

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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.