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Finding the Fourth Proportional to 110,891.34, 153,047.34 and 70,622.46

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Solution

The fourth proportional to 110,891.34, 153,047.34 and 70,622.46 is: 97,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,891.34 : 153,047.34 = 70,622.46 : x
  2. Step 2: Convert to fraction form
    110,891.34/153,047.34 = 70,622.46/x
  3. Step 3: Cross multiply
    110,891.34x = 153,047.34 × 70,622.46
  4. Step 4: Simplify right side
    110,891.34x = 10,808,579,647.26
  5. Step 5: Solve for x
    x = 10,808,579,647.26/110,891.34
  6. Step 6: Final answer
    x = 97,470.01

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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.