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Finding the Fourth Proportional to 104,104.08, 143,664 and 56,358

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Solution

The fourth proportional to 104,104.08, 143,664 and 56,358 is: 77,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.08 : 143,664 = 56,358 : x
  2. Step 2: Convert to fraction form
    104,104.08/143,664 = 56,358/x
  3. Step 3: Cross multiply
    104,104.08x = 143,664 × 56,358
  4. Step 4: Simplify right side
    104,104.08x = 8,096,615,712
  5. Step 5: Solve for x
    x = 8,096,615,712/104,104.08
  6. Step 6: Final answer
    x = 77,774.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.