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Finding the Fourth Proportional to 142,980.48, 214,461.54 and 58,718.88

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Solution

The fourth proportional to 142,980.48, 214,461.54 and 58,718.88 is: 88,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,980.48 : 214,461.54 = 58,718.88 : x
  2. Step 2: Convert to fraction form
    142,980.48/214,461.54 = 58,718.88/x
  3. Step 3: Cross multiply
    142,980.48x = 214,461.54 × 58,718.88
  4. Step 4: Simplify right side
    142,980.48x = 12,592,941,431.88
  5. Step 5: Solve for x
    x = 12,592,941,431.88/142,980.48
  6. Step 6: Final answer
    x = 88,074.55

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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.