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Finding the Fourth Proportional to 94,144.84, 130,004.27 and 70,230

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Solution

The fourth proportional to 94,144.84, 130,004.27 and 70,230 is: 96,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,144.84 : 130,004.27 = 70,230 : x
  2. Step 2: Convert to fraction form
    94,144.84/130,004.27 = 70,230/x
  3. Step 3: Cross multiply
    94,144.84x = 130,004.27 × 70,230
  4. Step 4: Simplify right side
    94,144.84x = 9,130,199,882.10
  5. Step 5: Solve for x
    x = 9,130,199,882.10/94,144.84
  6. Step 6: Final answer
    x = 96,980.35

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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.