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Finding the Fourth Proportional to 191,559.51, 264,348.90 and 105,526.55

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Solution

The fourth proportional to 191,559.51, 264,348.90 and 105,526.55 is: 145,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,559.51 : 264,348.90 = 105,526.55 : x
  2. Step 2: Convert to fraction form
    191,559.51/264,348.90 = 105,526.55/x
  3. Step 3: Cross multiply
    191,559.51x = 264,348.90 × 105,526.55
  4. Step 4: Simplify right side
    191,559.51x = 27,895,826,091.55
  5. Step 5: Solve for x
    x = 27,895,826,091.55/191,559.51
  6. Step 6: Final answer
    x = 145,624.86

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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.