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Finding the Fourth Proportional to 283,125.68, 424,620.48 and 83,392.10

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Solution

The fourth proportional to 283,125.68, 424,620.48 and 83,392.10 is: 125,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,125.68 : 424,620.48 = 83,392.10 : x
  2. Step 2: Convert to fraction form
    283,125.68/424,620.48 = 83,392.10/x
  3. Step 3: Cross multiply
    283,125.68x = 424,620.48 × 83,392.10
  4. Step 4: Simplify right side
    283,125.68x = 35,409,993,530.21
  5. Step 5: Solve for x
    x = 35,409,993,530.21/283,125.68
  6. Step 6: Final answer
    x = 125,068.11

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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.