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Finding the Fourth Proportional to 94,802.94, 130,810.95 and 61,249.50

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Solution

The fourth proportional to 94,802.94, 130,810.95 and 61,249.50 is: 84,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,802.94 : 130,810.95 = 61,249.50 : x
  2. Step 2: Convert to fraction form
    94,802.94/130,810.95 = 61,249.50/x
  3. Step 3: Cross multiply
    94,802.94x = 130,810.95 × 61,249.50
  4. Step 4: Simplify right side
    94,802.94x = 8,012,105,282.03
  5. Step 5: Solve for x
    x = 8,012,105,282.03/94,802.94
  6. Step 6: Final answer
    x = 84,513.26

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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.