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Finding the Fourth Proportional to 93,140.69, 128,464.84 and 59,119.62

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Solution

The fourth proportional to 93,140.69, 128,464.84 and 59,119.62 is: 81,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.69 : 128,464.84 = 59,119.62 : x
  2. Step 2: Convert to fraction form
    93,140.69/128,464.84 = 59,119.62/x
  3. Step 3: Cross multiply
    93,140.69x = 128,464.84 × 59,119.62
  4. Step 4: Simplify right side
    93,140.69x = 7,594,792,506.38
  5. Step 5: Solve for x
    x = 7,594,792,506.38/93,140.69
  6. Step 6: Final answer
    x = 81,541.08

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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.