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Finding the Fourth Proportional to 176,637.60, 265,950.80 and 155,712.04

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Solution

The fourth proportional to 176,637.60, 265,950.80 and 155,712.04 is: 234,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,637.60 : 265,950.80 = 155,712.04 : x
  2. Step 2: Convert to fraction form
    176,637.60/265,950.80 = 155,712.04/x
  3. Step 3: Cross multiply
    176,637.60x = 265,950.80 × 155,712.04
  4. Step 4: Simplify right side
    176,637.60x = 41,411,741,607.63
  5. Step 5: Solve for x
    x = 41,411,741,607.63/176,637.60
  6. Step 6: Final answer
    x = 234,444.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.