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Finding the Fourth Proportional to 152,969.99, 210,349.91 and 132,791.60

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Solution

The fourth proportional to 152,969.99, 210,349.91 and 132,791.60 is: 182,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,969.99 : 210,349.91 = 132,791.60 : x
  2. Step 2: Convert to fraction form
    152,969.99/210,349.91 = 132,791.60/x
  3. Step 3: Cross multiply
    152,969.99x = 210,349.91 × 132,791.60
  4. Step 4: Simplify right side
    152,969.99x = 27,932,701,966.61
  5. Step 5: Solve for x
    x = 27,932,701,966.61/152,969.99
  6. Step 6: Final answer
    x = 182,602.50

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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.