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Finding the Fourth Proportional to 106,312.32, 146,710.32 and 58,564.56

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Solution

The fourth proportional to 106,312.32, 146,710.32 and 58,564.56 is: 80,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,312.32 : 146,710.32 = 58,564.56 : x
  2. Step 2: Convert to fraction form
    106,312.32/146,710.32 = 58,564.56/x
  3. Step 3: Cross multiply
    106,312.32x = 146,710.32 × 58,564.56
  4. Step 4: Simplify right side
    106,312.32x = 8,592,025,338.26
  5. Step 5: Solve for x
    x = 8,592,025,338.26/106,312.32
  6. Step 6: Final answer
    x = 80,818.72

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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.