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Finding the Fourth Proportional to 88,987.29, 122,816.24 and 50,746.91

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Solution

The fourth proportional to 88,987.29, 122,816.24 and 50,746.91 is: 70,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,987.29 : 122,816.24 = 50,746.91 : x
  2. Step 2: Convert to fraction form
    88,987.29/122,816.24 = 50,746.91/x
  3. Step 3: Cross multiply
    88,987.29x = 122,816.24 × 50,746.91
  4. Step 4: Simplify right side
    88,987.29x = 6,232,544,000.30
  5. Step 5: Solve for x
    x = 6,232,544,000.30/88,987.29
  6. Step 6: Final answer
    x = 70,038.59

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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.