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Finding the Fourth Proportional to 243,836.40, 365,041.80 and 173,852.40

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Solution

The fourth proportional to 243,836.40, 365,041.80 and 173,852.40 is: 260,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,836.40 : 365,041.80 = 173,852.40 : x
  2. Step 2: Convert to fraction form
    243,836.40/365,041.80 = 173,852.40/x
  3. Step 3: Cross multiply
    243,836.40x = 365,041.80 × 173,852.40
  4. Step 4: Simplify right side
    243,836.40x = 63,463,393,030.32
  5. Step 5: Solve for x
    x = 63,463,393,030.32/243,836.40
  6. Step 6: Final answer
    x = 260,270.38

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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.