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Finding the Fourth Proportional to 94,461, 130,354.20 and 52,019.88

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Solution

The fourth proportional to 94,461, 130,354.20 and 52,019.88 is: 71,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,461 : 130,354.20 = 52,019.88 : x
  2. Step 2: Convert to fraction form
    94,461/130,354.20 = 52,019.88/x
  3. Step 3: Cross multiply
    94,461x = 130,354.20 × 52,019.88
  4. Step 4: Simplify right side
    94,461x = 6,781,009,841.50
  5. Step 5: Solve for x
    x = 6,781,009,841.50/94,461
  6. Step 6: Final answer
    x = 71,786.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.