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Finding the Fourth Proportional to 145,851.47, 218,777.22 and 35,043.47

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Solution

The fourth proportional to 145,851.47, 218,777.22 and 35,043.47 is: 52,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,851.47 : 218,777.22 = 35,043.47 : x
  2. Step 2: Convert to fraction form
    145,851.47/218,777.22 = 35,043.47/x
  3. Step 3: Cross multiply
    145,851.47x = 218,777.22 × 35,043.47
  4. Step 4: Simplify right side
    145,851.47x = 7,666,712,672.28
  5. Step 5: Solve for x
    x = 7,666,712,672.28/145,851.47
  6. Step 6: Final answer
    x = 52,565.21

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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.