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Finding the Fourth Proportional to 92,356.02, 127,392.21 and 64,051.38

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Solution

The fourth proportional to 92,356.02, 127,392.21 and 64,051.38 is: 88,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,356.02 : 127,392.21 = 64,051.38 : x
  2. Step 2: Convert to fraction form
    92,356.02/127,392.21 = 64,051.38/x
  3. Step 3: Cross multiply
    92,356.02x = 127,392.21 × 64,051.38
  4. Step 4: Simplify right side
    92,356.02x = 8,159,646,851.75
  5. Step 5: Solve for x
    x = 8,159,646,851.75/92,356.02
  6. Step 6: Final answer
    x = 88,349.92

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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.