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Finding the Fourth Proportional to 73,295.61, 101,130.30 and 43,078.56

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Solution

The fourth proportional to 73,295.61, 101,130.30 and 43,078.56 is: 59,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,295.61 : 101,130.30 = 43,078.56 : x
  2. Step 2: Convert to fraction form
    73,295.61/101,130.30 = 43,078.56/x
  3. Step 3: Cross multiply
    73,295.61x = 101,130.30 × 43,078.56
  4. Step 4: Simplify right side
    73,295.61x = 4,356,547,696.37
  5. Step 5: Solve for x
    x = 4,356,547,696.37/73,295.61
  6. Step 6: Final answer
    x = 59,438.04

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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.