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Finding the Fourth Proportional to 64,161.56, 88,543.52 and 35,483.16

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Solution

The fourth proportional to 64,161.56, 88,543.52 and 35,483.16 is: 48,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161.56 : 88,543.52 = 35,483.16 : x
  2. Step 2: Convert to fraction form
    64,161.56/88,543.52 = 35,483.16/x
  3. Step 3: Cross multiply
    64,161.56x = 88,543.52 × 35,483.16
  4. Step 4: Simplify right side
    64,161.56x = 3,141,803,709.71
  5. Step 5: Solve for x
    x = 3,141,803,709.71/64,161.56
  6. Step 6: Final answer
    x = 48,967.08

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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.