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Finding the Fourth Proportional to 160,445.58, 240,665.12 and 55,262.22

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Solution

The fourth proportional to 160,445.58, 240,665.12 and 55,262.22 is: 82,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,445.58 : 240,665.12 = 55,262.22 : x
  2. Step 2: Convert to fraction form
    160,445.58/240,665.12 = 55,262.22/x
  3. Step 3: Cross multiply
    160,445.58x = 240,665.12 × 55,262.22
  4. Step 4: Simplify right side
    160,445.58x = 13,299,688,807.77
  5. Step 5: Solve for x
    x = 13,299,688,807.77/160,445.58
  6. Step 6: Final answer
    x = 82,892.21

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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.