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Finding the Fourth Proportional to 131,492.60, 197,267.70 and 64,964.60

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Solution

The fourth proportional to 131,492.60, 197,267.70 and 64,964.60 is: 97,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,492.60 : 197,267.70 = 64,964.60 : x
  2. Step 2: Convert to fraction form
    131,492.60/197,267.70 = 64,964.60/x
  3. Step 3: Cross multiply
    131,492.60x = 197,267.70 × 64,964.60
  4. Step 4: Simplify right side
    131,492.60x = 12,815,417,223.42
  5. Step 5: Solve for x
    x = 12,815,417,223.42/131,492.60
  6. Step 6: Final answer
    x = 97,461.13

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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.