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Finding the Fourth Proportional to 93,646.98, 129,231.45 and 53,362.98

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Solution

The fourth proportional to 93,646.98, 129,231.45 and 53,362.98 is: 73,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,646.98 : 129,231.45 = 53,362.98 : x
  2. Step 2: Convert to fraction form
    93,646.98/129,231.45 = 53,362.98/x
  3. Step 3: Cross multiply
    93,646.98x = 129,231.45 × 53,362.98
  4. Step 4: Simplify right side
    93,646.98x = 6,896,175,281.72
  5. Step 5: Solve for x
    x = 6,896,175,281.72/93,646.98
  6. Step 6: Final answer
    x = 73,640.12

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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.