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Finding the Fourth Proportional to 176,287.46, 243,476.99 and 118,827.68

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Solution

The fourth proportional to 176,287.46, 243,476.99 and 118,827.68 is: 164,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,287.46 : 243,476.99 = 118,827.68 : x
  2. Step 2: Convert to fraction form
    176,287.46/243,476.99 = 118,827.68/x
  3. Step 3: Cross multiply
    176,287.46x = 243,476.99 × 118,827.68
  4. Step 4: Simplify right side
    176,287.46x = 28,931,804,489.16
  5. Step 5: Solve for x
    x = 28,931,804,489.16/176,287.46
  6. Step 6: Final answer
    x = 164,117.21

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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.