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Finding the Fourth Proportional to 113,341, 156,410.58 and 63,038.92

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Solution

The fourth proportional to 113,341, 156,410.58 and 63,038.92 is: 86,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,341 : 156,410.58 = 63,038.92 : x
  2. Step 2: Convert to fraction form
    113,341/156,410.58 = 63,038.92/x
  3. Step 3: Cross multiply
    113,341x = 156,410.58 × 63,038.92
  4. Step 4: Simplify right side
    113,341x = 9,859,954,039.77
  5. Step 5: Solve for x
    x = 9,859,954,039.77/113,341
  6. Step 6: Final answer
    x = 86,993.71

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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.