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Finding the Fourth Proportional to 163,343, 224,713.50 and 156,344.60

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Solution

The fourth proportional to 163,343, 224,713.50 and 156,344.60 is: 215,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,343 : 224,713.50 = 156,344.60 : x
  2. Step 2: Convert to fraction form
    163,343/224,713.50 = 156,344.60/x
  3. Step 3: Cross multiply
    163,343x = 224,713.50 × 156,344.60
  4. Step 4: Simplify right side
    163,343x = 35,132,742,272.10
  5. Step 5: Solve for x
    x = 35,132,742,272.10/163,343
  6. Step 6: Final answer
    x = 215,085.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.