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Finding the Fourth Proportional to 75,295.76, 112,328.52 and 69,926.67

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Solution

The fourth proportional to 75,295.76, 112,328.52 and 69,926.67 is: 104,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.76 : 112,328.52 = 69,926.67 : x
  2. Step 2: Convert to fraction form
    75,295.76/112,328.52 = 69,926.67/x
  3. Step 3: Cross multiply
    75,295.76x = 112,328.52 × 69,926.67
  4. Step 4: Simplify right side
    75,295.76x = 7,854,759,087.40
  5. Step 5: Solve for x
    x = 7,854,759,087.40/75,295.76
  6. Step 6: Final answer
    x = 104,318.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.