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Finding the Fourth Proportional to 160,009.21, 240,097.65 and 103,836.12

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Solution

The fourth proportional to 160,009.21, 240,097.65 and 103,836.12 is: 155,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,009.21 : 240,097.65 = 103,836.12 : x
  2. Step 2: Convert to fraction form
    160,009.21/240,097.65 = 103,836.12/x
  3. Step 3: Cross multiply
    160,009.21x = 240,097.65 × 103,836.12
  4. Step 4: Simplify right side
    160,009.21x = 24,930,808,397.12
  5. Step 5: Solve for x
    x = 24,930,808,397.12/160,009.21
  6. Step 6: Final answer
    x = 155,808.58

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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.