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Finding the Fourth Proportional to 232,501, 348,754.74 and 66,289

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Solution

The fourth proportional to 232,501, 348,754.74 and 66,289 is: 99,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,501 : 348,754.74 = 66,289 : x
  2. Step 2: Convert to fraction form
    232,501/348,754.74 = 66,289/x
  3. Step 3: Cross multiply
    232,501x = 348,754.74 × 66,289
  4. Step 4: Simplify right side
    232,501x = 23,118,602,959.86
  5. Step 5: Solve for x
    x = 23,118,602,959.86/232,501
  6. Step 6: Final answer
    x = 99,434.42

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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.