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Finding the Fourth Proportional to 94,296.68, 130,130.34 and 51,855.50

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Solution

The fourth proportional to 94,296.68, 130,130.34 and 51,855.50 is: 71,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,296.68 : 130,130.34 = 51,855.50 : x
  2. Step 2: Convert to fraction form
    94,296.68/130,130.34 = 51,855.50/x
  3. Step 3: Cross multiply
    94,296.68x = 130,130.34 × 51,855.50
  4. Step 4: Simplify right side
    94,296.68x = 6,747,973,845.87
  5. Step 5: Solve for x
    x = 6,747,973,845.87/94,296.68
  6. Step 6: Final answer
    x = 71,561.10

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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.