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Finding the Fourth Proportional to 134,908.59, 202,461.60 and 64,837.11

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Solution

The fourth proportional to 134,908.59, 202,461.60 and 64,837.11 is: 97,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,908.59 : 202,461.60 = 64,837.11 : x
  2. Step 2: Convert to fraction form
    134,908.59/202,461.60 = 64,837.11/x
  3. Step 3: Cross multiply
    134,908.59x = 202,461.60 × 64,837.11
  4. Step 4: Simplify right side
    134,908.59x = 13,127,025,029.98
  5. Step 5: Solve for x
    x = 13,127,025,029.98/134,908.59
  6. Step 6: Final answer
    x = 97,303.11

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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.