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Finding the Fourth Proportional to 93,970.17, 129,686.94 and 51,536.88

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Solution

The fourth proportional to 93,970.17, 129,686.94 and 51,536.88 is: 71,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,970.17 : 129,686.94 = 51,536.88 : x
  2. Step 2: Convert to fraction form
    93,970.17/129,686.94 = 51,536.88/x
  3. Step 3: Cross multiply
    93,970.17x = 129,686.94 × 51,536.88
  4. Step 4: Simplify right side
    93,970.17x = 6,683,660,264.35
  5. Step 5: Solve for x
    x = 6,683,660,264.35/93,970.17
  6. Step 6: Final answer
    x = 71,125.34

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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.