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Finding the Fourth Proportional to 242,710.56, 334,844.28 and 147,182.40

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Solution

The fourth proportional to 242,710.56, 334,844.28 and 147,182.40 is: 203,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,710.56 : 334,844.28 = 147,182.40 : x
  2. Step 2: Convert to fraction form
    242,710.56/334,844.28 = 147,182.40/x
  3. Step 3: Cross multiply
    242,710.56x = 334,844.28 × 147,182.40
  4. Step 4: Simplify right side
    242,710.56x = 49,283,184,756.67
  5. Step 5: Solve for x
    x = 49,283,184,756.67/242,710.56
  6. Step 6: Final answer
    x = 203,053.32

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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.