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Finding the Fourth Proportional to 112,358.40, 155,051.52 and 62,054.40

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Solution

The fourth proportional to 112,358.40, 155,051.52 and 62,054.40 is: 85,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,358.40 : 155,051.52 = 62,054.40 : x
  2. Step 2: Convert to fraction form
    112,358.40/155,051.52 = 62,054.40/x
  3. Step 3: Cross multiply
    112,358.40x = 155,051.52 × 62,054.40
  4. Step 4: Simplify right side
    112,358.40x = 9,621,629,042.69
  5. Step 5: Solve for x
    x = 9,621,629,042.69/112,358.40
  6. Step 6: Final answer
    x = 85,633.38

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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.