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Finding the Fourth Proportional to 92,669.40, 139,004.10 and 46,013.40

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Solution

The fourth proportional to 92,669.40, 139,004.10 and 46,013.40 is: 69,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,669.40 : 139,004.10 = 46,013.40 : x
  2. Step 2: Convert to fraction form
    92,669.40/139,004.10 = 46,013.40/x
  3. Step 3: Cross multiply
    92,669.40x = 139,004.10 × 46,013.40
  4. Step 4: Simplify right side
    92,669.40x = 6,396,051,254.94
  5. Step 5: Solve for x
    x = 6,396,051,254.94/92,669.40
  6. Step 6: Final answer
    x = 69,020.10

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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.