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Finding the Fourth Proportional to 62,300.66, 93,415.08 and 42,603.08

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Solution

The fourth proportional to 62,300.66, 93,415.08 and 42,603.08 is: 63,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,300.66 : 93,415.08 = 42,603.08 : x
  2. Step 2: Convert to fraction form
    62,300.66/93,415.08 = 42,603.08/x
  3. Step 3: Cross multiply
    62,300.66x = 93,415.08 × 42,603.08
  4. Step 4: Simplify right side
    62,300.66x = 3,979,770,126.45
  5. Step 5: Solve for x
    x = 3,979,770,126.45/62,300.66
  6. Step 6: Final answer
    x = 63,880.06

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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.