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Finding the Fourth Proportional to 93,153.56, 128,547.88 and 50,712.24

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Solution

The fourth proportional to 93,153.56, 128,547.88 and 50,712.24 is: 69,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.56 : 128,547.88 = 50,712.24 : x
  2. Step 2: Convert to fraction form
    93,153.56/128,547.88 = 50,712.24/x
  3. Step 3: Cross multiply
    93,153.56x = 128,547.88 × 50,712.24
  4. Step 4: Simplify right side
    93,153.56x = 6,518,950,942.05
  5. Step 5: Solve for x
    x = 6,518,950,942.05/93,153.56
  6. Step 6: Final answer
    x = 69,980.70

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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.