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Finding the Fourth Proportional to 224,642.91, 310,005.32 and 124,038.75

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Solution

The fourth proportional to 224,642.91, 310,005.32 and 124,038.75 is: 171,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,642.91 : 310,005.32 = 124,038.75 : x
  2. Step 2: Convert to fraction form
    224,642.91/310,005.32 = 124,038.75/x
  3. Step 3: Cross multiply
    224,642.91x = 310,005.32 × 124,038.75
  4. Step 4: Simplify right side
    224,642.91x = 38,452,671,765.96
  5. Step 5: Solve for x
    x = 38,452,671,765.96/224,642.91
  6. Step 6: Final answer
    x = 171,172.43

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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.