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Finding the Fourth Proportional to 73,117.36, 100,903.80 and 44,838.64

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Solution

The fourth proportional to 73,117.36, 100,903.80 and 44,838.64 is: 61,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.36 : 100,903.80 = 44,838.64 : x
  2. Step 2: Convert to fraction form
    73,117.36/100,903.80 = 44,838.64/x
  3. Step 3: Cross multiply
    73,117.36x = 100,903.80 × 44,838.64
  4. Step 4: Simplify right side
    73,117.36x = 4,524,389,162.83
  5. Step 5: Solve for x
    x = 4,524,389,162.83/73,117.36
  6. Step 6: Final answer
    x = 61,878.45

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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.