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Finding the Fourth Proportional to 160,659.68, 221,710.37 and 89,044.32

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Solution

The fourth proportional to 160,659.68, 221,710.37 and 89,044.32 is: 122,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,659.68 : 221,710.37 = 89,044.32 : x
  2. Step 2: Convert to fraction form
    160,659.68/221,710.37 = 89,044.32/x
  3. Step 3: Cross multiply
    160,659.68x = 221,710.37 × 89,044.32
  4. Step 4: Simplify right side
    160,659.68x = 19,742,049,356.21
  5. Step 5: Solve for x
    x = 19,742,049,356.21/160,659.68
  6. Step 6: Final answer
    x = 122,881.17

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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.