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Finding the Fourth Proportional to 144,370.16, 216,578.58 and 44,507

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Solution

The fourth proportional to 144,370.16, 216,578.58 and 44,507 is: 66,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,370.16 : 216,578.58 = 44,507 : x
  2. Step 2: Convert to fraction form
    144,370.16/216,578.58 = 44,507/x
  3. Step 3: Cross multiply
    144,370.16x = 216,578.58 × 44,507
  4. Step 4: Simplify right side
    144,370.16x = 9,639,262,860.06
  5. Step 5: Solve for x
    x = 9,639,262,860.06/144,370.16
  6. Step 6: Final answer
    x = 66,767.70

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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.