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Finding the Fourth Proportional to 102,794.89, 141,862.36 and 62,501.98

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Solution

The fourth proportional to 102,794.89, 141,862.36 and 62,501.98 is: 86,256.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,794.89 : 141,862.36 = 62,501.98 : x
  2. Step 2: Convert to fraction form
    102,794.89/141,862.36 = 62,501.98/x
  3. Step 3: Cross multiply
    102,794.89x = 141,862.36 × 62,501.98
  4. Step 4: Simplify right side
    102,794.89x = 8,866,677,678.16
  5. Step 5: Solve for x
    x = 8,866,677,678.16/102,794.89
  6. Step 6: Final answer
    x = 86,256.02

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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.