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Finding the Fourth Proportional to 156,308.58, 234,459.63 and 37,980.54

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Solution

The fourth proportional to 156,308.58, 234,459.63 and 37,980.54 is: 56,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,308.58 : 234,459.63 = 37,980.54 : x
  2. Step 2: Convert to fraction form
    156,308.58/234,459.63 = 37,980.54/x
  3. Step 3: Cross multiply
    156,308.58x = 234,459.63 × 37,980.54
  4. Step 4: Simplify right side
    156,308.58x = 8,904,903,355.60
  5. Step 5: Solve for x
    x = 8,904,903,355.60/156,308.58
  6. Step 6: Final answer
    x = 56,970.02

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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.