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Finding the Fourth Proportional to 176,840.66, 265,263.74 and 98,453.12

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Solution

The fourth proportional to 176,840.66, 265,263.74 and 98,453.12 is: 147,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,840.66 : 265,263.74 = 98,453.12 : x
  2. Step 2: Convert to fraction form
    176,840.66/265,263.74 = 98,453.12/x
  3. Step 3: Cross multiply
    176,840.66x = 265,263.74 × 98,453.12
  4. Step 4: Simplify right side
    176,840.66x = 26,116,041,007.28
  5. Step 5: Solve for x
    x = 26,116,041,007.28/176,840.66
  6. Step 6: Final answer
    x = 147,681.20

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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.