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Finding the Fourth Proportional to 160,438.56, 240,538.56 and 97,243.17

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Solution

The fourth proportional to 160,438.56, 240,538.56 and 97,243.17 is: 145,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,438.56 : 240,538.56 = 97,243.17 : x
  2. Step 2: Convert to fraction form
    160,438.56/240,538.56 = 97,243.17/x
  3. Step 3: Cross multiply
    160,438.56x = 240,538.56 × 97,243.17
  4. Step 4: Simplify right side
    160,438.56x = 23,390,732,081.64
  5. Step 5: Solve for x
    x = 23,390,732,081.64/160,438.56
  6. Step 6: Final answer
    x = 145,792.46

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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.