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Finding the Fourth Proportional to 351,281.04, 526,922.90 and 85,041.12

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Solution

The fourth proportional to 351,281.04, 526,922.90 and 85,041.12 is: 127,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,281.04 : 526,922.90 = 85,041.12 : x
  2. Step 2: Convert to fraction form
    351,281.04/526,922.90 = 85,041.12/x
  3. Step 3: Cross multiply
    351,281.04x = 526,922.90 × 85,041.12
  4. Step 4: Simplify right side
    351,281.04x = 44,810,113,569.65
  5. Step 5: Solve for x
    x = 44,810,113,569.65/351,281.04
  6. Step 6: Final answer
    x = 127,562.00

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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.