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Finding the Fourth Proportional to 93,248.04, 128,595.42 and 61,361.58

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Solution

The fourth proportional to 93,248.04, 128,595.42 and 61,361.58 is: 84,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,248.04 : 128,595.42 = 61,361.58 : x
  2. Step 2: Convert to fraction form
    93,248.04/128,595.42 = 61,361.58/x
  3. Step 3: Cross multiply
    93,248.04x = 128,595.42 × 61,361.58
  4. Step 4: Simplify right side
    93,248.04x = 7,890,818,151.96
  5. Step 5: Solve for x
    x = 7,890,818,151.96/93,248.04
  6. Step 6: Final answer
    x = 84,621.81

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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.