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Finding the Fourth Proportional to 173,705.60, 260,655.60 and 73,848.80

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Solution

The fourth proportional to 173,705.60, 260,655.60 and 73,848.80 is: 110,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,705.60 : 260,655.60 = 73,848.80 : x
  2. Step 2: Convert to fraction form
    173,705.60/260,655.60 = 73,848.80/x
  3. Step 3: Cross multiply
    173,705.60x = 260,655.60 × 73,848.80
  4. Step 4: Simplify right side
    173,705.60x = 19,249,103,273.28
  5. Step 5: Solve for x
    x = 19,249,103,273.28/173,705.60
  6. Step 6: Final answer
    x = 110,814.52

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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.