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Finding the Fourth Proportional to 161,559.61, 241,978.56 and 117,084.23

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Solution

The fourth proportional to 161,559.61, 241,978.56 and 117,084.23 is: 175,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559.61 : 241,978.56 = 117,084.23 : x
  2. Step 2: Convert to fraction form
    161,559.61/241,978.56 = 117,084.23/x
  3. Step 3: Cross multiply
    161,559.61x = 241,978.56 × 117,084.23
  4. Step 4: Simplify right side
    161,559.61x = 28,331,874,981.60
  5. Step 5: Solve for x
    x = 28,331,874,981.60/161,559.61
  6. Step 6: Final answer
    x = 175,364.84

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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.