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Finding the Fourth Proportional to 104,294.76, 144,045.56 and 70,702.44

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Solution

The fourth proportional to 104,294.76, 144,045.56 and 70,702.44 is: 97,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,294.76 : 144,045.56 = 70,702.44 : x
  2. Step 2: Convert to fraction form
    104,294.76/144,045.56 = 70,702.44/x
  3. Step 3: Cross multiply
    104,294.76x = 144,045.56 × 70,702.44
  4. Step 4: Simplify right side
    104,294.76x = 10,184,372,563.17
  5. Step 5: Solve for x
    x = 10,184,372,563.17/104,294.76
  6. Step 6: Final answer
    x = 97,649.90

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1.5x scale

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.