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Finding the Fourth Proportional to 161,215.94, 241,823.62 and 42,887.28

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Solution

The fourth proportional to 161,215.94, 241,823.62 and 42,887.28 is: 64,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,215.94 : 241,823.62 = 42,887.28 : x
  2. Step 2: Convert to fraction form
    161,215.94/241,823.62 = 42,887.28/x
  3. Step 3: Cross multiply
    161,215.94x = 241,823.62 × 42,887.28
  4. Step 4: Simplify right side
    161,215.94x = 10,371,157,461.25
  5. Step 5: Solve for x
    x = 10,371,157,461.25/161,215.94
  6. Step 6: Final answer
    x = 64,330.85

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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.