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Finding the Fourth Proportional to 160,710.52, 221,776.50 and 89,090.32

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Solution

The fourth proportional to 160,710.52, 221,776.50 and 89,090.32 is: 122,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,710.52 : 221,776.50 = 89,090.32 : x
  2. Step 2: Convert to fraction form
    160,710.52/221,776.50 = 89,090.32/x
  3. Step 3: Cross multiply
    160,710.52x = 221,776.50 × 89,090.32
  4. Step 4: Simplify right side
    160,710.52x = 19,758,139,353.48
  5. Step 5: Solve for x
    x = 19,758,139,353.48/160,710.52
  6. Step 6: Final answer
    x = 122,942.41

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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.