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Finding the Fourth Proportional to 92,477.93, 127,605.86 and 56,160.49

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Solution

The fourth proportional to 92,477.93, 127,605.86 and 56,160.49 is: 77,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,477.93 : 127,605.86 = 56,160.49 : x
  2. Step 2: Convert to fraction form
    92,477.93/127,605.86 = 56,160.49/x
  3. Step 3: Cross multiply
    92,477.93x = 127,605.86 × 56,160.49
  4. Step 4: Simplify right side
    92,477.93x = 7,166,407,235.26
  5. Step 5: Solve for x
    x = 7,166,407,235.26/92,477.93
  6. Step 6: Final answer
    x = 77,493.16

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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.