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Finding the Fourth Proportional to 93,114.87, 128,501.43 and 52,830.33

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Solution

The fourth proportional to 93,114.87, 128,501.43 and 52,830.33 is: 72,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.87 : 128,501.43 = 52,830.33 : x
  2. Step 2: Convert to fraction form
    93,114.87/128,501.43 = 52,830.33/x
  3. Step 3: Cross multiply
    93,114.87x = 128,501.43 × 52,830.33
  4. Step 4: Simplify right side
    93,114.87x = 6,788,772,952.37
  5. Step 5: Solve for x
    x = 6,788,772,952.37/93,114.87
  6. Step 6: Final answer
    x = 72,907.51

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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.