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Finding the Fourth Proportional to 56,751.40, 85,127.10 and 37,068.40

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Solution

The fourth proportional to 56,751.40, 85,127.10 and 37,068.40 is: 55,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,751.40 : 85,127.10 = 37,068.40 : x
  2. Step 2: Convert to fraction form
    56,751.40/85,127.10 = 37,068.40/x
  3. Step 3: Cross multiply
    56,751.40x = 85,127.10 × 37,068.40
  4. Step 4: Simplify right side
    56,751.40x = 3,155,525,393.64
  5. Step 5: Solve for x
    x = 3,155,525,393.64/56,751.40
  6. Step 6: Final answer
    x = 55,602.60

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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.