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Finding the Fourth Proportional to 176,602.74, 243,802.08 and 136,225.86

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Solution

The fourth proportional to 176,602.74, 243,802.08 and 136,225.86 is: 188,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,602.74 : 243,802.08 = 136,225.86 : x
  2. Step 2: Convert to fraction form
    176,602.74/243,802.08 = 136,225.86/x
  3. Step 3: Cross multiply
    176,602.74x = 243,802.08 × 136,225.86
  4. Step 4: Simplify right side
    176,602.74x = 33,212,148,017.79
  5. Step 5: Solve for x
    x = 33,212,148,017.79/176,602.74
  6. Step 6: Final answer
    x = 188,061.34

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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.