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Finding the Fourth Proportional to 109,352, 150,905.76 and 59,051

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Solution

The fourth proportional to 109,352, 150,905.76 and 59,051 is: 81,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,352 : 150,905.76 = 59,051 : x
  2. Step 2: Convert to fraction form
    109,352/150,905.76 = 59,051/x
  3. Step 3: Cross multiply
    109,352x = 150,905.76 × 59,051
  4. Step 4: Simplify right side
    109,352x = 8,911,136,033.76
  5. Step 5: Solve for x
    x = 8,911,136,033.76/109,352
  6. Step 6: Final answer
    x = 81,490.38

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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.