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Finding the Fourth Proportional to 142,146.56, 213,220.56 and 59,040.64

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Solution

The fourth proportional to 142,146.56, 213,220.56 and 59,040.64 is: 88,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,146.56 : 213,220.56 = 59,040.64 : x
  2. Step 2: Convert to fraction form
    142,146.56/213,220.56 = 59,040.64/x
  3. Step 3: Cross multiply
    142,146.56x = 213,220.56 × 59,040.64
  4. Step 4: Simplify right side
    142,146.56x = 12,588,678,323.56
  5. Step 5: Solve for x
    x = 12,588,678,323.56/142,146.56
  6. Step 6: Final answer
    x = 88,561.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.