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Finding the Fourth Proportional to 146,017.60, 218,904.90 and 61,842.40

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Solution

The fourth proportional to 146,017.60, 218,904.90 and 61,842.40 is: 92,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,017.60 : 218,904.90 = 61,842.40 : x
  2. Step 2: Convert to fraction form
    146,017.60/218,904.90 = 61,842.40/x
  3. Step 3: Cross multiply
    146,017.60x = 218,904.90 × 61,842.40
  4. Step 4: Simplify right side
    146,017.60x = 13,537,604,387.76
  5. Step 5: Solve for x
    x = 13,537,604,387.76/146,017.60
  6. Step 6: Final answer
    x = 92,712.14

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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.