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Finding the Fourth Proportional to 183,818.56, 274,482.68 and 145,953.76

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Solution

The fourth proportional to 183,818.56, 274,482.68 and 145,953.76 is: 217,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,818.56 : 274,482.68 = 145,953.76 : x
  2. Step 2: Convert to fraction form
    183,818.56/274,482.68 = 145,953.76/x
  3. Step 3: Cross multiply
    183,818.56x = 274,482.68 × 145,953.76
  4. Step 4: Simplify right side
    183,818.56x = 40,061,779,200.88
  5. Step 5: Solve for x
    x = 40,061,779,200.88/183,818.56
  6. Step 6: Final answer
    x = 217,941.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.