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Finding the Fourth Proportional to 76,048.93, 104,948.22 and 42,055.66

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Solution

The fourth proportional to 76,048.93, 104,948.22 and 42,055.66 is: 58,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,048.93 : 104,948.22 = 42,055.66 : x
  2. Step 2: Convert to fraction form
    76,048.93/104,948.22 = 42,055.66/x
  3. Step 3: Cross multiply
    76,048.93x = 104,948.22 × 42,055.66
  4. Step 4: Simplify right side
    76,048.93x = 4,413,666,657.93
  5. Step 5: Solve for x
    x = 4,413,666,657.93/76,048.93
  6. Step 6: Final answer
    x = 58,037.20

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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.