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Finding the Fourth Proportional to 106,036.98, 146,330.98 and 58,290.31

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Solution

The fourth proportional to 106,036.98, 146,330.98 and 58,290.31 is: 80,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,036.98 : 146,330.98 = 58,290.31 : x
  2. Step 2: Convert to fraction form
    106,036.98/146,330.98 = 58,290.31/x
  3. Step 3: Cross multiply
    106,036.98x = 146,330.98 × 58,290.31
  4. Step 4: Simplify right side
    106,036.98x = 8,529,678,186.80
  5. Step 5: Solve for x
    x = 8,529,678,186.80/106,036.98
  6. Step 6: Final answer
    x = 80,440.60

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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.