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Finding the Fourth Proportional to 105,762.66, 145,952.47 and 58,016.12

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Solution

The fourth proportional to 105,762.66, 145,952.47 and 58,016.12 is: 80,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762.66 : 145,952.47 = 58,016.12 : x
  2. Step 2: Convert to fraction form
    105,762.66/145,952.47 = 58,016.12/x
  3. Step 3: Cross multiply
    105,762.66x = 145,952.47 × 58,016.12
  4. Step 4: Simplify right side
    105,762.66x = 8,467,595,440.72
  5. Step 5: Solve for x
    x = 8,467,595,440.72/105,762.66
  6. Step 6: Final answer
    x = 80,062.24

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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.