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Finding the Fourth Proportional to 98,036.60, 145,946.22 and 97,453.40

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Solution

The fourth proportional to 98,036.60, 145,946.22 and 97,453.40 is: 145,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,036.60 : 145,946.22 = 97,453.40 : x
  2. Step 2: Convert to fraction form
    98,036.60/145,946.22 = 97,453.40/x
  3. Step 3: Cross multiply
    98,036.60x = 145,946.22 × 97,453.40
  4. Step 4: Simplify right side
    98,036.60x = 14,222,955,356.15
  5. Step 5: Solve for x
    x = 14,222,955,356.15/98,036.60
  6. Step 6: Final answer
    x = 145,078.02

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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.