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Finding the Fourth Proportional to 92,897.16, 139,294.48 and 29,699.72

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Solution

The fourth proportional to 92,897.16, 139,294.48 and 29,699.72 is: 44,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,897.16 : 139,294.48 = 29,699.72 : x
  2. Step 2: Convert to fraction form
    92,897.16/139,294.48 = 29,699.72/x
  3. Step 3: Cross multiply
    92,897.16x = 139,294.48 × 29,699.72
  4. Step 4: Simplify right side
    92,897.16x = 4,137,007,053.55
  5. Step 5: Solve for x
    x = 4,137,007,053.55/92,897.16
  6. Step 6: Final answer
    x = 44,533.19

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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.