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Finding the Fourth Proportional to 242,357.70, 334,464.54 and 134,934.46

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Solution

The fourth proportional to 242,357.70, 334,464.54 and 134,934.46 is: 186,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,357.70 : 334,464.54 = 134,934.46 : x
  2. Step 2: Convert to fraction form
    242,357.70/334,464.54 = 134,934.46/x
  3. Step 3: Cross multiply
    242,357.70x = 334,464.54 × 134,934.46
  4. Step 4: Simplify right side
    242,357.70x = 45,130,792,094.05
  5. Step 5: Solve for x
    x = 45,130,792,094.05/242,357.70
  6. Step 6: Final answer
    x = 186,215.63

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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.