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Finding the Fourth Proportional to 101,792.84, 140,467.77 and 61,482.78

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Solution

The fourth proportional to 101,792.84, 140,467.77 and 61,482.78 is: 84,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,792.84 : 140,467.77 = 61,482.78 : x
  2. Step 2: Convert to fraction form
    101,792.84/140,467.77 = 61,482.78/x
  3. Step 3: Cross multiply
    101,792.84x = 140,467.77 × 61,482.78
  4. Step 4: Simplify right side
    101,792.84x = 8,636,349,000.00
  5. Step 5: Solve for x
    x = 8,636,349,000.00/101,792.84
  6. Step 6: Final answer
    x = 84,842.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.