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Finding the Fourth Proportional to 173,635.70, 260,453.55 and 42,307.70

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Solution

The fourth proportional to 173,635.70, 260,453.55 and 42,307.70 is: 63,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,635.70 : 260,453.55 = 42,307.70 : x
  2. Step 2: Convert to fraction form
    173,635.70/260,453.55 = 42,307.70/x
  3. Step 3: Cross multiply
    173,635.70x = 260,453.55 × 42,307.70
  4. Step 4: Simplify right side
    173,635.70x = 11,019,190,657.34
  5. Step 5: Solve for x
    x = 11,019,190,657.34/173,635.70
  6. Step 6: Final answer
    x = 63,461.55

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1.5x scale

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.