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Finding the Fourth Proportional to 93,348.63, 128,816.03 and 53,056.80

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Solution

The fourth proportional to 93,348.63, 128,816.03 and 53,056.80 is: 73,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,348.63 : 128,816.03 = 53,056.80 : x
  2. Step 2: Convert to fraction form
    93,348.63/128,816.03 = 53,056.80/x
  3. Step 3: Cross multiply
    93,348.63x = 128,816.03 × 53,056.80
  4. Step 4: Simplify right side
    93,348.63x = 6,834,566,075.22
  5. Step 5: Solve for x
    x = 6,834,566,075.22/93,348.63
  6. Step 6: Final answer
    x = 73,215.49

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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.