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Finding the Fourth Proportional to 229,077.90, 343,762.65 and 134,307.90

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Solution

The fourth proportional to 229,077.90, 343,762.65 and 134,307.90 is: 201,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,077.90 : 343,762.65 = 134,307.90 : x
  2. Step 2: Convert to fraction form
    229,077.90/343,762.65 = 134,307.90/x
  3. Step 3: Cross multiply
    229,077.90x = 343,762.65 × 134,307.90
  4. Step 4: Simplify right side
    229,077.90x = 46,170,039,619.94
  5. Step 5: Solve for x
    x = 46,170,039,619.94/229,077.90
  6. Step 6: Final answer
    x = 201,547.33

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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.