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Finding the Fourth Proportional to 108,547.89, 149,807.19 and 62,609.32

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Solution

The fourth proportional to 108,547.89, 149,807.19 and 62,609.32 is: 86,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.89 : 149,807.19 = 62,609.32 : x
  2. Step 2: Convert to fraction form
    108,547.89/149,807.19 = 62,609.32/x
  3. Step 3: Cross multiply
    108,547.89x = 149,807.19 × 62,609.32
  4. Step 4: Simplify right side
    108,547.89x = 9,379,326,297.01
  5. Step 5: Solve for x
    x = 9,379,326,297.01/108,547.89
  6. Step 6: Final answer
    x = 86,407.27

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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.