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Finding the Fourth Proportional to 113,903.59, 157,260.86 and 101,946.19

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Solution

The fourth proportional to 113,903.59, 157,260.86 and 101,946.19 is: 140,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,903.59 : 157,260.86 = 101,946.19 : x
  2. Step 2: Convert to fraction form
    113,903.59/157,260.86 = 101,946.19/x
  3. Step 3: Cross multiply
    113,903.59x = 157,260.86 × 101,946.19
  4. Step 4: Simplify right side
    113,903.59x = 16,032,145,513.12
  5. Step 5: Solve for x
    x = 16,032,145,513.12/113,903.59
  6. Step 6: Final answer
    x = 140,751.89

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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.