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Finding the Fourth Proportional to 104,754.79, 144,730.74 and 73,065.16

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Solution

The fourth proportional to 104,754.79, 144,730.74 and 73,065.16 is: 100,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.79 : 144,730.74 = 73,065.16 : x
  2. Step 2: Convert to fraction form
    104,754.79/144,730.74 = 73,065.16/x
  3. Step 3: Cross multiply
    104,754.79x = 144,730.74 × 73,065.16
  4. Step 4: Simplify right side
    104,754.79x = 10,574,774,675.02
  5. Step 5: Solve for x
    x = 10,574,774,675.02/104,754.79
  6. Step 6: Final answer
    x = 100,947.89

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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.