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Finding the Fourth Proportional to 160,242.57, 240,253.14 and 70,242.12

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Solution

The fourth proportional to 160,242.57, 240,253.14 and 70,242.12 is: 105,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,242.57 : 240,253.14 = 70,242.12 : x
  2. Step 2: Convert to fraction form
    160,242.57/240,253.14 = 70,242.12/x
  3. Step 3: Cross multiply
    160,242.57x = 240,253.14 × 70,242.12
  4. Step 4: Simplify right side
    160,242.57x = 16,875,889,890.26
  5. Step 5: Solve for x
    x = 16,875,889,890.26/160,242.57
  6. Step 6: Final answer
    x = 105,314.65

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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.