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Finding the Fourth Proportional to 84,287.00, 116,319.60 and 48,477.06

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Solution

The fourth proportional to 84,287.00, 116,319.60 and 48,477.06 is: 66,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.00 : 116,319.60 = 48,477.06 : x
  2. Step 2: Convert to fraction form
    84,287.00/116,319.60 = 48,477.06/x
  3. Step 3: Cross multiply
    84,287.00x = 116,319.60 × 48,477.06
  4. Step 4: Simplify right side
    84,287.00x = 5,638,832,228.38
  5. Step 5: Solve for x
    x = 5,638,832,228.38/84,287.00
  6. Step 6: Final answer
    x = 66,900.38

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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.