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Finding the Fourth Proportional to 124,671.34, 186,980.28 and 35,908.30

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Solution

The fourth proportional to 124,671.34, 186,980.28 and 35,908.30 is: 53,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671.34 : 186,980.28 = 35,908.30 : x
  2. Step 2: Convert to fraction form
    124,671.34/186,980.28 = 35,908.30/x
  3. Step 3: Cross multiply
    124,671.34x = 186,980.28 × 35,908.30
  4. Step 4: Simplify right side
    124,671.34x = 6,714,143,988.32
  5. Step 5: Solve for x
    x = 6,714,143,988.32/124,671.34
  6. Step 6: Final answer
    x = 53,854.75

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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.