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Finding the Fourth Proportional to 110,881.60, 153,011.84 and 60,580.80

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Solution

The fourth proportional to 110,881.60, 153,011.84 and 60,580.80 is: 83,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,881.60 : 153,011.84 = 60,580.80 : x
  2. Step 2: Convert to fraction form
    110,881.60/153,011.84 = 60,580.80/x
  3. Step 3: Cross multiply
    110,881.60x = 153,011.84 × 60,580.80
  4. Step 4: Simplify right side
    110,881.60x = 9,269,579,676.67
  5. Step 5: Solve for x
    x = 9,269,579,676.67/110,881.60
  6. Step 6: Final answer
    x = 83,598.90

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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.