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Finding the Fourth Proportional to 94,220.96, 130,024.50 and 53,934.50

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Solution

The fourth proportional to 94,220.96, 130,024.50 and 53,934.50 is: 74,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,220.96 : 130,024.50 = 53,934.50 : x
  2. Step 2: Convert to fraction form
    94,220.96/130,024.50 = 53,934.50/x
  3. Step 3: Cross multiply
    94,220.96x = 130,024.50 × 53,934.50
  4. Step 4: Simplify right side
    94,220.96x = 7,012,806,395.25
  5. Step 5: Solve for x
    x = 7,012,806,395.25/94,220.96
  6. Step 6: Final answer
    x = 74,429.37

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1.5x scale

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.