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Finding the Fourth Proportional to 84,483.90, 116,574.75 and 48,666.90

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Solution

The fourth proportional to 84,483.90, 116,574.75 and 48,666.90 is: 67,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483.90 : 116,574.75 = 48,666.90 : x
  2. Step 2: Convert to fraction form
    84,483.90/116,574.75 = 48,666.90/x
  3. Step 3: Cross multiply
    84,483.90x = 116,574.75 × 48,666.90
  4. Step 4: Simplify right side
    84,483.90x = 5,673,331,700.78
  5. Step 5: Solve for x
    x = 5,673,331,700.78/84,483.90
  6. Step 6: Final answer
    x = 67,152.81

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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.