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Finding the Fourth Proportional to 176,383.44, 243,411.76 and 99,900.63

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Solution

The fourth proportional to 176,383.44, 243,411.76 and 99,900.63 is: 137,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,383.44 : 243,411.76 = 99,900.63 : x
  2. Step 2: Convert to fraction form
    176,383.44/243,411.76 = 99,900.63/x
  3. Step 3: Cross multiply
    176,383.44x = 243,411.76 × 99,900.63
  4. Step 4: Simplify right side
    176,383.44x = 24,316,988,173.41
  5. Step 5: Solve for x
    x = 24,316,988,173.41/176,383.44
  6. Step 6: Final answer
    x = 137,864.35

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1.5x scale

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.