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Finding the Fourth Proportional to 242,772.32, 335,050.32 and 135,359.84

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Solution

The fourth proportional to 242,772.32, 335,050.32 and 135,359.84 is: 186,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,772.32 : 335,050.32 = 135,359.84 : x
  2. Step 2: Convert to fraction form
    242,772.32/335,050.32 = 135,359.84/x
  3. Step 3: Cross multiply
    242,772.32x = 335,050.32 × 135,359.84
  4. Step 4: Simplify right side
    242,772.32x = 45,352,357,707.15
  5. Step 5: Solve for x
    x = 45,352,357,707.15/242,772.32
  6. Step 6: Final answer
    x = 186,810.25

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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.