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Finding the Fourth Proportional to 93,069.02, 128,437.72 and 52,775.17

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Solution

The fourth proportional to 93,069.02, 128,437.72 and 52,775.17 is: 72,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,069.02 : 128,437.72 = 52,775.17 : x
  2. Step 2: Convert to fraction form
    93,069.02/128,437.72 = 52,775.17/x
  3. Step 3: Cross multiply
    93,069.02x = 128,437.72 × 52,775.17
  4. Step 4: Simplify right side
    93,069.02x = 6,778,322,054.38
  5. Step 5: Solve for x
    x = 6,778,322,054.38/93,069.02
  6. Step 6: Final answer
    x = 72,831.13

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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.