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Finding the Fourth Proportional to 144,394.79, 216,538.25 and 49,598.06

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Solution

The fourth proportional to 144,394.79, 216,538.25 and 49,598.06 is: 74,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,394.79 : 216,538.25 = 49,598.06 : x
  2. Step 2: Convert to fraction form
    144,394.79/216,538.25 = 49,598.06/x
  3. Step 3: Cross multiply
    144,394.79x = 216,538.25 × 49,598.06
  4. Step 4: Simplify right side
    144,394.79x = 10,739,875,785.11
  5. Step 5: Solve for x
    x = 10,739,875,785.11/144,394.79
  6. Step 6: Final answer
    x = 74,378.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.