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Finding the Fourth Proportional to 93,114.86, 128,501.40 and 52,830.32

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Solution

The fourth proportional to 93,114.86, 128,501.40 and 52,830.32 is: 72,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.86 : 128,501.40 = 52,830.32 : x
  2. Step 2: Convert to fraction form
    93,114.86/128,501.40 = 52,830.32/x
  3. Step 3: Cross multiply
    93,114.86x = 128,501.40 × 52,830.32
  4. Step 4: Simplify right side
    93,114.86x = 6,788,769,439.94
  5. Step 5: Solve for x
    x = 6,788,769,439.94/93,114.86
  6. Step 6: Final answer
    x = 72,907.48

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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.