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Finding the Fourth Proportional to 242,897.56, 364,318.98 and 65,417.56

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Solution

The fourth proportional to 242,897.56, 364,318.98 and 65,417.56 is: 98,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,897.56 : 364,318.98 = 65,417.56 : x
  2. Step 2: Convert to fraction form
    242,897.56/364,318.98 = 65,417.56/x
  3. Step 3: Cross multiply
    242,897.56x = 364,318.98 × 65,417.56
  4. Step 4: Simplify right side
    242,897.56x = 23,832,858,733.29
  5. Step 5: Solve for x
    x = 23,832,858,733.29/242,897.56
  6. Step 6: Final answer
    x = 98,118.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.