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Finding the Fourth Proportional to 230,547, 318,154.86 and 124,563

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Solution

The fourth proportional to 230,547, 318,154.86 and 124,563 is: 171,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547 : 318,154.86 = 124,563 : x
  2. Step 2: Convert to fraction form
    230,547/318,154.86 = 124,563/x
  3. Step 3: Cross multiply
    230,547x = 318,154.86 × 124,563
  4. Step 4: Simplify right side
    230,547x = 39,630,323,826.18
  5. Step 5: Solve for x
    x = 39,630,323,826.18/230,547
  6. Step 6: Final answer
    x = 171,896.94

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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.