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Finding the Fourth Proportional to 272,547.64, 375,793.88 and 186,548.12

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Solution

The fourth proportional to 272,547.64, 375,793.88 and 186,548.12 is: 257,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,547.64 : 375,793.88 = 186,548.12 : x
  2. Step 2: Convert to fraction form
    272,547.64/375,793.88 = 186,548.12/x
  3. Step 3: Cross multiply
    272,547.64x = 375,793.88 × 186,548.12
  4. Step 4: Simplify right side
    272,547.64x = 70,103,641,821.51
  5. Step 5: Solve for x
    x = 70,103,641,821.51/272,547.64
  6. Step 6: Final answer
    x = 257,216.10

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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.