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Finding the Fourth Proportional to 94,899.01, 130,955.52 and 52,455.01

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Solution

The fourth proportional to 94,899.01, 130,955.52 and 52,455.01 is: 72,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,899.01 : 130,955.52 = 52,455.01 : x
  2. Step 2: Convert to fraction form
    94,899.01/130,955.52 = 52,455.01/x
  3. Step 3: Cross multiply
    94,899.01x = 130,955.52 × 52,455.01
  4. Step 4: Simplify right side
    94,899.01x = 6,869,273,111.16
  5. Step 5: Solve for x
    x = 6,869,273,111.16/94,899.01
  6. Step 6: Final answer
    x = 72,385.09

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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.