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Finding the Fourth Proportional to 236,365.80, 354,547.92 and 70,153.80

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Solution

The fourth proportional to 236,365.80, 354,547.92 and 70,153.80 is: 105,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,365.80 : 354,547.92 = 70,153.80 : x
  2. Step 2: Convert to fraction form
    236,365.80/354,547.92 = 70,153.80/x
  3. Step 3: Cross multiply
    236,365.80x = 354,547.92 × 70,153.80
  4. Step 4: Simplify right side
    236,365.80x = 24,872,883,870.10
  5. Step 5: Solve for x
    x = 24,872,883,870.10/236,365.80
  6. Step 6: Final answer
    x = 105,230.47

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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.