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Finding the Fourth Proportional to 150,326.55, 207,468.14 and 86,666.63

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Solution

The fourth proportional to 150,326.55, 207,468.14 and 86,666.63 is: 119,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,326.55 : 207,468.14 = 86,666.63 : x
  2. Step 2: Convert to fraction form
    150,326.55/207,468.14 = 86,666.63/x
  3. Step 3: Cross multiply
    150,326.55x = 207,468.14 × 86,666.63
  4. Step 4: Simplify right side
    150,326.55x = 17,980,563,055.49
  5. Step 5: Solve for x
    x = 17,980,563,055.49/150,326.55
  6. Step 6: Final answer
    x = 119,610.03

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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.