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Finding the Fourth Proportional to 162,798.45, 224,668.78 and 94,804.47

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Solution

The fourth proportional to 162,798.45, 224,668.78 and 94,804.47 is: 130,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,798.45 : 224,668.78 = 94,804.47 : x
  2. Step 2: Convert to fraction form
    162,798.45/224,668.78 = 94,804.47/x
  3. Step 3: Cross multiply
    162,798.45x = 224,668.78 × 94,804.47
  4. Step 4: Simplify right side
    162,798.45x = 21,299,604,909.71
  5. Step 5: Solve for x
    x = 21,299,604,909.71/162,798.45
  6. Step 6: Final answer
    x = 130,834.20

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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.