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Finding the Fourth Proportional to 336,079.78, 504,106.60 and 83,360.90

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Solution

The fourth proportional to 336,079.78, 504,106.60 and 83,360.90 is: 125,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,079.78 : 504,106.60 = 83,360.90 : x
  2. Step 2: Convert to fraction form
    336,079.78/504,106.60 = 83,360.90/x
  3. Step 3: Cross multiply
    336,079.78x = 504,106.60 × 83,360.90
  4. Step 4: Simplify right side
    336,079.78x = 42,022,779,871.94
  5. Step 5: Solve for x
    x = 42,022,779,871.94/336,079.78
  6. Step 6: Final answer
    x = 125,038.11

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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.