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Finding the Fourth Proportional to 156,996.40, 235,494.60 and 97,898.80

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Solution

The fourth proportional to 156,996.40, 235,494.60 and 97,898.80 is: 146,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,996.40 : 235,494.60 = 97,898.80 : x
  2. Step 2: Convert to fraction form
    156,996.40/235,494.60 = 97,898.80/x
  3. Step 3: Cross multiply
    156,996.40x = 235,494.60 × 97,898.80
  4. Step 4: Simplify right side
    156,996.40x = 23,054,638,746.48
  5. Step 5: Solve for x
    x = 23,054,638,746.48/156,996.40
  6. Step 6: Final answer
    x = 146,848.20

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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.