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Finding the Fourth Proportional to 192,412.16, 265,613.10 and 147,092.06

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Solution

The fourth proportional to 192,412.16, 265,613.10 and 147,092.06 is: 203,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,412.16 : 265,613.10 = 147,092.06 : x
  2. Step 2: Convert to fraction form
    192,412.16/265,613.10 = 147,092.06/x
  3. Step 3: Cross multiply
    192,412.16x = 265,613.10 × 147,092.06
  4. Step 4: Simplify right side
    192,412.16x = 39,069,578,041.99
  5. Step 5: Solve for x
    x = 39,069,578,041.99/192,412.16
  6. Step 6: Final answer
    x = 203,051.50

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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.