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Finding the Fourth Proportional to 93,317.84, 128,775.36 and 50,875.52

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Solution

The fourth proportional to 93,317.84, 128,775.36 and 50,875.52 is: 70,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.84 : 128,775.36 = 50,875.52 : x
  2. Step 2: Convert to fraction form
    93,317.84/128,775.36 = 50,875.52/x
  3. Step 3: Cross multiply
    93,317.84x = 128,775.36 × 50,875.52
  4. Step 4: Simplify right side
    93,317.84x = 6,551,513,403.19
  5. Step 5: Solve for x
    x = 6,551,513,403.19/93,317.84
  6. Step 6: Final answer
    x = 70,206.44

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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.