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Finding the Fourth Proportional to 156,989.60, 235,484.40 and 63,495.35

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Solution

The fourth proportional to 156,989.60, 235,484.40 and 63,495.35 is: 95,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.60 : 235,484.40 = 63,495.35 : x
  2. Step 2: Convert to fraction form
    156,989.60/235,484.40 = 63,495.35/x
  3. Step 3: Cross multiply
    156,989.60x = 235,484.40 × 63,495.35
  4. Step 4: Simplify right side
    156,989.60x = 14,952,164,397.54
  5. Step 5: Solve for x
    x = 14,952,164,397.54/156,989.60
  6. Step 6: Final answer
    x = 95,243.03

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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.