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Finding the Fourth Proportional to 242,799.72, 335,036.58 and 147,329.64

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Solution

The fourth proportional to 242,799.72, 335,036.58 and 147,329.64 is: 203,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,799.72 : 335,036.58 = 147,329.64 : x
  2. Step 2: Convert to fraction form
    242,799.72/335,036.58 = 147,329.64/x
  3. Step 3: Cross multiply
    242,799.72x = 335,036.58 × 147,329.64
  4. Step 4: Simplify right side
    242,799.72x = 49,360,818,718.23
  5. Step 5: Solve for x
    x = 49,360,818,718.23/242,799.72
  6. Step 6: Final answer
    x = 203,298.50

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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.