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Finding the Fourth Proportional to 66,303.36, 98,966.88 and 60,762.96

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Solution

The fourth proportional to 66,303.36, 98,966.88 and 60,762.96 is: 90,697.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,303.36 : 98,966.88 = 60,762.96 : x
  2. Step 2: Convert to fraction form
    66,303.36/98,966.88 = 60,762.96/x
  3. Step 3: Cross multiply
    66,303.36x = 98,966.88 × 60,762.96
  4. Step 4: Simplify right side
    66,303.36x = 6,013,520,570.76
  5. Step 5: Solve for x
    x = 6,013,520,570.76/66,303.36
  6. Step 6: Final answer
    x = 90,697.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.