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Finding the Fourth Proportional to 93,477.60, 128,999.52 and 51,037.08

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Solution

The fourth proportional to 93,477.60, 128,999.52 and 51,037.08 is: 70,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,477.60 : 128,999.52 = 51,037.08 : x
  2. Step 2: Convert to fraction form
    93,477.60/128,999.52 = 51,037.08/x
  3. Step 3: Cross multiply
    93,477.60x = 128,999.52 × 51,037.08
  4. Step 4: Simplify right side
    93,477.60x = 6,583,758,822.20
  5. Step 5: Solve for x
    x = 6,583,758,822.20/93,477.60
  6. Step 6: Final answer
    x = 70,431.41

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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.