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Finding the Fourth Proportional to 92,396.52, 138,569.04 and 39,070.08

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Solution

The fourth proportional to 92,396.52, 138,569.04 and 39,070.08 is: 58,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.52 : 138,569.04 = 39,070.08 : x
  2. Step 2: Convert to fraction form
    92,396.52/138,569.04 = 39,070.08/x
  3. Step 3: Cross multiply
    92,396.52x = 138,569.04 × 39,070.08
  4. Step 4: Simplify right side
    92,396.52x = 5,413,903,478.32
  5. Step 5: Solve for x
    x = 5,413,903,478.32/92,396.52
  6. Step 6: Final answer
    x = 58,594.24

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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.