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Finding the Fourth Proportional to 160,632.34, 221,670.03 and 89,012.14

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Solution

The fourth proportional to 160,632.34, 221,670.03 and 89,012.14 is: 122,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,632.34 : 221,670.03 = 89,012.14 : x
  2. Step 2: Convert to fraction form
    160,632.34/221,670.03 = 89,012.14/x
  3. Step 3: Cross multiply
    160,632.34x = 221,670.03 × 89,012.14
  4. Step 4: Simplify right side
    160,632.34x = 19,731,323,744.16
  5. Step 5: Solve for x
    x = 19,731,323,744.16/160,632.34
  6. Step 6: Final answer
    x = 122,835.31

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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.