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Finding the Fourth Proportional to 110,582, 152,603.20 and 62,835.40

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Solution

The fourth proportional to 110,582, 152,603.20 and 62,835.40 is: 86,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,582 : 152,603.20 = 62,835.40 : x
  2. Step 2: Convert to fraction form
    110,582/152,603.20 = 62,835.40/x
  3. Step 3: Cross multiply
    110,582x = 152,603.20 × 62,835.40
  4. Step 4: Simplify right side
    110,582x = 9,588,883,113.28
  5. Step 5: Solve for x
    x = 9,588,883,113.28/110,582
  6. Step 6: Final answer
    x = 86,712.87

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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.