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Finding the Fourth Proportional to 189,192.96, 260,870.40 and 141,365.76

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Solution

The fourth proportional to 189,192.96, 260,870.40 and 141,365.76 is: 194,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,192.96 : 260,870.40 = 141,365.76 : x
  2. Step 2: Convert to fraction form
    189,192.96/260,870.40 = 141,365.76/x
  3. Step 3: Cross multiply
    189,192.96x = 260,870.40 × 141,365.76
  4. Step 4: Simplify right side
    189,192.96x = 36,878,142,357.50
  5. Step 5: Solve for x
    x = 36,878,142,357.50/189,192.96
  6. Step 6: Final answer
    x = 194,923.44

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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.