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Finding the Fourth Proportional to 145,082.63, 200,162.70 and 94,810.79

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Solution

The fourth proportional to 145,082.63, 200,162.70 and 94,810.79 is: 130,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,082.63 : 200,162.70 = 94,810.79 : x
  2. Step 2: Convert to fraction form
    145,082.63/200,162.70 = 94,810.79/x
  3. Step 3: Cross multiply
    145,082.63x = 200,162.70 × 94,810.79
  4. Step 4: Simplify right side
    145,082.63x = 18,977,584,215.94
  5. Step 5: Solve for x
    x = 18,977,584,215.94/145,082.63
  6. Step 6: Final answer
    x = 130,805.35

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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.