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Finding the Fourth Proportional to 342,971.07, 473,300.45 and 192,068.07

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Solution

The fourth proportional to 342,971.07, 473,300.45 and 192,068.07 is: 265,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,971.07 : 473,300.45 = 192,068.07 : x
  2. Step 2: Convert to fraction form
    342,971.07/473,300.45 = 192,068.07/x
  3. Step 3: Cross multiply
    342,971.07x = 473,300.45 × 192,068.07
  4. Step 4: Simplify right side
    342,971.07x = 90,905,903,961.63
  5. Step 5: Solve for x
    x = 90,905,903,961.63/342,971.07
  6. Step 6: Final answer
    x = 265,054.15

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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.