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Finding the Fourth Proportional to 243,492.02, 336,012.54 and 136,062.93

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Solution

The fourth proportional to 243,492.02, 336,012.54 and 136,062.93 is: 187,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,492.02 : 336,012.54 = 136,062.93 : x
  2. Step 2: Convert to fraction form
    243,492.02/336,012.54 = 136,062.93/x
  3. Step 3: Cross multiply
    243,492.02x = 336,012.54 × 136,062.93
  4. Step 4: Simplify right side
    243,492.02x = 45,718,851,458.95
  5. Step 5: Solve for x
    x = 45,718,851,458.95/243,492.02
  6. Step 6: Final answer
    x = 187,763.24

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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.