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Finding the Fourth Proportional to 113,153.02, 156,156.11 and 62,852.02

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Solution

The fourth proportional to 113,153.02, 156,156.11 and 62,852.02 is: 86,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,153.02 : 156,156.11 = 62,852.02 : x
  2. Step 2: Convert to fraction form
    113,153.02/156,156.11 = 62,852.02/x
  3. Step 3: Cross multiply
    113,153.02x = 156,156.11 × 62,852.02
  4. Step 4: Simplify right side
    113,153.02x = 9,814,726,948.84
  5. Step 5: Solve for x
    x = 9,814,726,948.84/113,153.02
  6. Step 6: Final answer
    x = 86,738.53

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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.