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Finding the Fourth Proportional to 103,750.40, 155,625.60 and 103,094.30

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Solution

The fourth proportional to 103,750.40, 155,625.60 and 103,094.30 is: 154,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,750.40 : 155,625.60 = 103,094.30 : x
  2. Step 2: Convert to fraction form
    103,750.40/155,625.60 = 103,094.30/x
  3. Step 3: Cross multiply
    103,750.40x = 155,625.60 × 103,094.30
  4. Step 4: Simplify right side
    103,750.40x = 16,044,112,294.08
  5. Step 5: Solve for x
    x = 16,044,112,294.08/103,750.40
  6. Step 6: Final answer
    x = 154,641.45

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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.