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Finding the Fourth Proportional to 227,547.69, 314,015.49 and 125,573.16

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Solution

The fourth proportional to 227,547.69, 314,015.49 and 125,573.16 is: 173,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,547.69 : 314,015.49 = 125,573.16 : x
  2. Step 2: Convert to fraction form
    227,547.69/314,015.49 = 125,573.16/x
  3. Step 3: Cross multiply
    227,547.69x = 314,015.49 × 125,573.16
  4. Step 4: Simplify right side
    227,547.69x = 39,431,917,368.25
  5. Step 5: Solve for x
    x = 39,431,917,368.25/227,547.69
  6. Step 6: Final answer
    x = 173,290.78

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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.