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Finding the Fourth Proportional to 134,567.56, 201,730.74 and 55,631.32

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Solution

The fourth proportional to 134,567.56, 201,730.74 and 55,631.32 is: 83,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,567.56 : 201,730.74 = 55,631.32 : x
  2. Step 2: Convert to fraction form
    134,567.56/201,730.74 = 55,631.32/x
  3. Step 3: Cross multiply
    134,567.56x = 201,730.74 × 55,631.32
  4. Step 4: Simplify right side
    134,567.56x = 11,222,547,350.78
  5. Step 5: Solve for x
    x = 11,222,547,350.78/134,567.56
  6. Step 6: Final answer
    x = 83,397.12

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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.