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Finding the Fourth Proportional to 113,466.63, 156,582.63 and 62,478.30

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Solution

The fourth proportional to 113,466.63, 156,582.63 and 62,478.30 is: 86,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,466.63 : 156,582.63 = 62,478.30 : x
  2. Step 2: Convert to fraction form
    113,466.63/156,582.63 = 62,478.30/x
  3. Step 3: Cross multiply
    113,466.63x = 156,582.63 × 62,478.30
  4. Step 4: Simplify right side
    113,466.63x = 9,783,016,531.93
  5. Step 5: Solve for x
    x = 9,783,016,531.93/113,466.63
  6. Step 6: Final answer
    x = 86,219.33

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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.