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Finding the Fourth Proportional to 160,312.14, 240,390.54 and 65,504.68

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Solution

The fourth proportional to 160,312.14, 240,390.54 and 65,504.68 is: 98,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,312.14 : 240,390.54 = 65,504.68 : x
  2. Step 2: Convert to fraction form
    160,312.14/240,390.54 = 65,504.68/x
  3. Step 3: Cross multiply
    160,312.14x = 240,390.54 × 65,504.68
  4. Step 4: Simplify right side
    160,312.14x = 15,746,704,796.75
  5. Step 5: Solve for x
    x = 15,746,704,796.75/160,312.14
  6. Step 6: Final answer
    x = 98,225.28

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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.