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Finding the Fourth Proportional to 174,647.20, 261,970.80 and 56,322.40

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Solution

The fourth proportional to 174,647.20, 261,970.80 and 56,322.40 is: 84,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,647.20 : 261,970.80 = 56,322.40 : x
  2. Step 2: Convert to fraction form
    174,647.20/261,970.80 = 56,322.40/x
  3. Step 3: Cross multiply
    174,647.20x = 261,970.80 × 56,322.40
  4. Step 4: Simplify right side
    174,647.20x = 14,754,824,185.92
  5. Step 5: Solve for x
    x = 14,754,824,185.92/174,647.20
  6. Step 6: Final answer
    x = 84,483.60

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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.