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Finding the Fourth Proportional to 375,829.88, 563,733.88 and 139,167.32

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Solution

The fourth proportional to 375,829.88, 563,733.88 and 139,167.32 is: 208,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,829.88 : 563,733.88 = 139,167.32 : x
  2. Step 2: Convert to fraction form
    375,829.88/563,733.88 = 139,167.32/x
  3. Step 3: Cross multiply
    375,829.88x = 563,733.88 × 139,167.32
  4. Step 4: Simplify right side
    375,829.88x = 78,453,330,106.21
  5. Step 5: Solve for x
    x = 78,453,330,106.21/375,829.88
  6. Step 6: Final answer
    x = 208,746.92

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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.