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Finding the Fourth Proportional to 84,980.04, 117,270.98 and 47,253.48

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Solution

The fourth proportional to 84,980.04, 117,270.98 and 47,253.48 is: 65,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,980.04 : 117,270.98 = 47,253.48 : x
  2. Step 2: Convert to fraction form
    84,980.04/117,270.98 = 47,253.48/x
  3. Step 3: Cross multiply
    84,980.04x = 117,270.98 × 47,253.48
  4. Step 4: Simplify right side
    84,980.04x = 5,541,461,908.01
  5. Step 5: Solve for x
    x = 5,541,461,908.01/84,980.04
  6. Step 6: Final answer
    x = 65,208.98

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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.