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Finding the Fourth Proportional to 64,822.55, 97,069.80 and 61,870.10

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Solution

The fourth proportional to 64,822.55, 97,069.80 and 61,870.10 is: 92,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,822.55 : 97,069.80 = 61,870.10 : x
  2. Step 2: Convert to fraction form
    64,822.55/97,069.80 = 61,870.10/x
  3. Step 3: Cross multiply
    64,822.55x = 97,069.80 × 61,870.10
  4. Step 4: Simplify right side
    64,822.55x = 6,005,718,232.98
  5. Step 5: Solve for x
    x = 6,005,718,232.98/64,822.55
  6. Step 6: Final answer
    x = 92,648.60

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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.