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Finding the Fourth Proportional to 242,424.88, 334,538.76 and 134,992.60

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Solution

The fourth proportional to 242,424.88, 334,538.76 and 134,992.60 is: 186,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,424.88 : 334,538.76 = 134,992.60 : x
  2. Step 2: Convert to fraction form
    242,424.88/334,538.76 = 134,992.60/x
  3. Step 3: Cross multiply
    242,424.88x = 334,538.76 × 134,992.60
  4. Step 4: Simplify right side
    242,424.88x = 45,160,257,013.18
  5. Step 5: Solve for x
    x = 45,160,257,013.18/242,424.88
  6. Step 6: Final answer
    x = 186,285.57

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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.