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Finding the Fourth Proportional to 242,139, 363,152.34 and 92,325.72

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Solution

The fourth proportional to 242,139, 363,152.34 and 92,325.72 is: 138,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,139 : 363,152.34 = 92,325.72 : x
  2. Step 2: Convert to fraction form
    242,139/363,152.34 = 92,325.72/x
  3. Step 3: Cross multiply
    242,139x = 363,152.34 × 92,325.72
  4. Step 4: Simplify right side
    242,139x = 33,528,301,260.18
  5. Step 5: Solve for x
    x = 33,528,301,260.18/242,139
  6. Step 6: Final answer
    x = 138,467.17

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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.