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Finding the Fourth Proportional to 144,435.57, 216,522.13 and 65,506.74

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Solution

The fourth proportional to 144,435.57, 216,522.13 and 65,506.74 is: 98,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,435.57 : 216,522.13 = 65,506.74 : x
  2. Step 2: Convert to fraction form
    144,435.57/216,522.13 = 65,506.74/x
  3. Step 3: Cross multiply
    144,435.57x = 216,522.13 × 65,506.74
  4. Step 4: Simplify right side
    144,435.57x = 14,183,658,874.16
  5. Step 5: Solve for x
    x = 14,183,658,874.16/144,435.57
  6. Step 6: Final answer
    x = 98,200.59

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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.