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Finding the Fourth Proportional to 291,668.74, 437,516.95 and 141,730.41

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Solution

The fourth proportional to 291,668.74, 437,516.95 and 141,730.41 is: 212,602.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,668.74 : 437,516.95 = 141,730.41 : x
  2. Step 2: Convert to fraction form
    291,668.74/437,516.95 = 141,730.41/x
  3. Step 3: Cross multiply
    291,668.74x = 437,516.95 × 141,730.41
  4. Step 4: Simplify right side
    291,668.74x = 62,009,459,113.28
  5. Step 5: Solve for x
    x = 62,009,459,113.28/291,668.74
  6. Step 6: Final answer
    x = 212,602.35

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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.