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Finding the Fourth Proportional to 191,503.71, 264,143.11 and 174,439.64

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Solution

The fourth proportional to 191,503.71, 264,143.11 and 174,439.64 is: 240,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,503.71 : 264,143.11 = 174,439.64 : x
  2. Step 2: Convert to fraction form
    191,503.71/264,143.11 = 174,439.64/x
  3. Step 3: Cross multiply
    191,503.71x = 264,143.11 × 174,439.64
  4. Step 4: Simplify right side
    191,503.71x = 46,077,026,823.97
  5. Step 5: Solve for x
    x = 46,077,026,823.97/191,503.71
  6. Step 6: Final answer
    x = 240,606.45

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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.