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Finding the Fourth Proportional to 191,250.59, 263,925.81 and 105,210.77

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Solution

The fourth proportional to 191,250.59, 263,925.81 and 105,210.77 is: 145,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,250.59 : 263,925.81 = 105,210.77 : x
  2. Step 2: Convert to fraction form
    191,250.59/263,925.81 = 105,210.77/x
  3. Step 3: Cross multiply
    191,250.59x = 263,925.81 × 105,210.77
  4. Step 4: Simplify right side
    191,250.59x = 27,767,836,373.34
  5. Step 5: Solve for x
    x = 27,767,836,373.34/191,250.59
  6. Step 6: Final answer
    x = 145,190.86

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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.