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Finding the Fourth Proportional to 117,521.96, 176,368.53 and 42,648.13

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Solution

The fourth proportional to 117,521.96, 176,368.53 and 42,648.13 is: 64,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521.96 : 176,368.53 = 42,648.13 : x
  2. Step 2: Convert to fraction form
    117,521.96/176,368.53 = 42,648.13/x
  3. Step 3: Cross multiply
    117,521.96x = 176,368.53 × 42,648.13
  4. Step 4: Simplify right side
    117,521.96x = 7,521,788,415.72
  5. Step 5: Solve for x
    x = 7,521,788,415.72/117,521.96
  6. Step 6: Final answer
    x = 64,003.26

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1.5x scale

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.