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Finding the Fourth Proportional to 158,714.66, 219,025.62 and 87,095.90

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Solution

The fourth proportional to 158,714.66, 219,025.62 and 87,095.90 is: 120,192.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,714.66 : 219,025.62 = 87,095.90 : x
  2. Step 2: Convert to fraction form
    158,714.66/219,025.62 = 87,095.90/x
  3. Step 3: Cross multiply
    158,714.66x = 219,025.62 × 87,095.90
  4. Step 4: Simplify right side
    158,714.66x = 19,076,233,496.96
  5. Step 5: Solve for x
    x = 19,076,233,496.96/158,714.66
  6. Step 6: Final answer
    x = 120,192.01

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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.