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Finding the Fourth Proportional to 175,259.60, 262,905.60 and 70,056.80

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Solution

The fourth proportional to 175,259.60, 262,905.60 and 70,056.80 is: 105,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,259.60 : 262,905.60 = 70,056.80 : x
  2. Step 2: Convert to fraction form
    175,259.60/262,905.60 = 70,056.80/x
  3. Step 3: Cross multiply
    175,259.60x = 262,905.60 × 70,056.80
  4. Step 4: Simplify right side
    175,259.60x = 18,418,325,038.08
  5. Step 5: Solve for x
    x = 18,418,325,038.08/175,259.60
  6. Step 6: Final answer
    x = 105,091.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.