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Finding the Fourth Proportional to 106,636.76, 147,151.32 and 58,889.70

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Solution

The fourth proportional to 106,636.76, 147,151.32 and 58,889.70 is: 81,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,636.76 : 147,151.32 = 58,889.70 : x
  2. Step 2: Convert to fraction form
    106,636.76/147,151.32 = 58,889.70/x
  3. Step 3: Cross multiply
    106,636.76x = 147,151.32 × 58,889.70
  4. Step 4: Simplify right side
    106,636.76x = 8,665,697,089.40
  5. Step 5: Solve for x
    x = 8,665,697,089.40/106,636.76
  6. Step 6: Final answer
    x = 81,263.69

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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.