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Finding the Fourth Proportional to 93,595.59, 129,159.99 and 51,154.42

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Solution

The fourth proportional to 93,595.59, 129,159.99 and 51,154.42 is: 70,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,595.59 : 129,159.99 = 51,154.42 : x
  2. Step 2: Convert to fraction form
    93,595.59/129,159.99 = 51,154.42/x
  3. Step 3: Cross multiply
    93,595.59x = 129,159.99 × 51,154.42
  4. Step 4: Simplify right side
    93,595.59x = 6,607,104,375.66
  5. Step 5: Solve for x
    x = 6,607,104,375.66/93,595.59
  6. Step 6: Final answer
    x = 70,592.05

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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.