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Finding the Fourth Proportional to 110,612.84, 152,660.58 and 70,330.60

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Solution

The fourth proportional to 110,612.84, 152,660.58 and 70,330.60 is: 97,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,612.84 : 152,660.58 = 70,330.60 : x
  2. Step 2: Convert to fraction form
    110,612.84/152,660.58 = 70,330.60/x
  3. Step 3: Cross multiply
    110,612.84x = 152,660.58 × 70,330.60
  4. Step 4: Simplify right side
    110,612.84x = 10,736,710,187.75
  5. Step 5: Solve for x
    x = 10,736,710,187.75/110,612.84
  6. Step 6: Final answer
    x = 97,065.68

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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.