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Finding the Fourth Proportional to 199,317, 298,975.51 and 59,075.63

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Solution

The fourth proportional to 199,317, 298,975.51 and 59,075.63 is: 88,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,317 : 298,975.51 = 59,075.63 : x
  2. Step 2: Convert to fraction form
    199,317/298,975.51 = 59,075.63/x
  3. Step 3: Cross multiply
    199,317x = 298,975.51 × 59,075.63
  4. Step 4: Simplify right side
    199,317x = 17,662,166,607.82
  5. Step 5: Solve for x
    x = 17,662,166,607.82/199,317
  6. Step 6: Final answer
    x = 88,613.45

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1.5x scale

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.