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Finding the Fourth Proportional to 104,059.60, 143,602.61 and 56,312.94

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Solution

The fourth proportional to 104,059.60, 143,602.61 and 56,312.94 is: 77,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,059.60 : 143,602.61 = 56,312.94 : x
  2. Step 2: Convert to fraction form
    104,059.60/143,602.61 = 56,312.94/x
  3. Step 3: Cross multiply
    104,059.60x = 143,602.61 × 56,312.94
  4. Step 4: Simplify right side
    104,059.60x = 8,086,684,801.77
  5. Step 5: Solve for x
    x = 8,086,684,801.77/104,059.60
  6. Step 6: Final answer
    x = 77,712.05

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1.5x scale

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.