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Finding the Fourth Proportional to 113,801.30, 159,555.10 and 113,801.30

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Solution

The fourth proportional to 113,801.30, 159,555.10 and 113,801.30 is: 159,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.30 : 159,555.10 = 113,801.30 : x
  2. Step 2: Convert to fraction form
    113,801.30/159,555.10 = 113,801.30/x
  3. Step 3: Cross multiply
    113,801.30x = 159,555.10 × 113,801.30
  4. Step 4: Simplify right side
    113,801.30x = 18,157,577,801.63
  5. Step 5: Solve for x
    x = 18,157,577,801.63/113,801.30
  6. Step 6: Final answer
    x = 159,555.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.