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Finding the Fourth Proportional to 64,070.69, 96,106.44 and 42,024.11

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Solution

The fourth proportional to 64,070.69, 96,106.44 and 42,024.11 is: 63,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,070.69 : 96,106.44 = 42,024.11 : x
  2. Step 2: Convert to fraction form
    64,070.69/96,106.44 = 42,024.11/x
  3. Step 3: Cross multiply
    64,070.69x = 96,106.44 × 42,024.11
  4. Step 4: Simplify right side
    64,070.69x = 4,038,787,606.27
  5. Step 5: Solve for x
    x = 4,038,787,606.27/64,070.69
  6. Step 6: Final answer
    x = 63,036.43

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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.