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Finding the Fourth Proportional to 302,497.69, 453,746.67 and 124,809.40

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Solution

The fourth proportional to 302,497.69, 453,746.67 and 124,809.40 is: 187,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,497.69 : 453,746.67 = 124,809.40 : x
  2. Step 2: Convert to fraction form
    302,497.69/453,746.67 = 124,809.40/x
  3. Step 3: Cross multiply
    302,497.69x = 453,746.67 × 124,809.40
  4. Step 4: Simplify right side
    302,497.69x = 56,631,849,634.70
  5. Step 5: Solve for x
    x = 56,631,849,634.70/302,497.69
  6. Step 6: Final answer
    x = 187,214.16

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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.