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Finding the Fourth Proportional to 245,526.03, 368,304.64 and 77,053.01

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Solution

The fourth proportional to 245,526.03, 368,304.64 and 77,053.01 is: 115,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,526.03 : 368,304.64 = 77,053.01 : x
  2. Step 2: Convert to fraction form
    245,526.03/368,304.64 = 77,053.01/x
  3. Step 3: Cross multiply
    245,526.03x = 368,304.64 × 77,053.01
  4. Step 4: Simplify right side
    245,526.03x = 28,378,980,723.70
  5. Step 5: Solve for x
    x = 28,378,980,723.70/245,526.03
  6. Step 6: Final answer
    x = 115,584.41

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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.