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Finding the Fourth Proportional to 308,045.28, 462,111.65 and 94,830.93

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Solution

The fourth proportional to 308,045.28, 462,111.65 and 94,830.93 is: 142,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,045.28 : 462,111.65 = 94,830.93 : x
  2. Step 2: Convert to fraction form
    308,045.28/462,111.65 = 94,830.93/x
  3. Step 3: Cross multiply
    308,045.28x = 462,111.65 × 94,830.93
  4. Step 4: Simplify right side
    308,045.28x = 43,822,478,925.69
  5. Step 5: Solve for x
    x = 43,822,478,925.69/308,045.28
  6. Step 6: Final answer
    x = 142,259.86

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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.