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Finding the Fourth Proportional to 241,612.81, 362,275.64 and 91,864.06

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Solution

The fourth proportional to 241,612.81, 362,275.64 and 91,864.06 is: 137,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,612.81 : 362,275.64 = 91,864.06 : x
  2. Step 2: Convert to fraction form
    241,612.81/362,275.64 = 91,864.06/x
  3. Step 3: Cross multiply
    241,612.81x = 362,275.64 × 91,864.06
  4. Step 4: Simplify right side
    241,612.81x = 33,280,111,129.50
  5. Step 5: Solve for x
    x = 33,280,111,129.50/241,612.81
  6. Step 6: Final answer
    x = 137,741.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.