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Finding the Fourth Proportional to 110,622.84, 152,674.40 and 70,340.60

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Solution

The fourth proportional to 110,622.84, 152,674.40 and 70,340.60 is: 97,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,622.84 : 152,674.40 = 70,340.60 : x
  2. Step 2: Convert to fraction form
    110,622.84/152,674.40 = 70,340.60/x
  3. Step 3: Cross multiply
    110,622.84x = 152,674.40 × 70,340.60
  4. Step 4: Simplify right side
    110,622.84x = 10,739,208,900.64
  5. Step 5: Solve for x
    x = 10,739,208,900.64/110,622.84
  6. Step 6: Final answer
    x = 97,079.49

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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.