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Finding the Fourth Proportional to 92,851.58, 128,133.93 and 52,564.31

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Solution

The fourth proportional to 92,851.58, 128,133.93 and 52,564.31 is: 72,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.58 : 128,133.93 = 52,564.31 : x
  2. Step 2: Convert to fraction form
    92,851.58/128,133.93 = 52,564.31/x
  3. Step 3: Cross multiply
    92,851.58x = 128,133.93 × 52,564.31
  4. Step 4: Simplify right side
    92,851.58x = 6,735,271,654.99
  5. Step 5: Solve for x
    x = 6,735,271,654.99/92,851.58
  6. Step 6: Final answer
    x = 72,538.04

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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.