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Finding the Fourth Proportional to 93,362.11, 128,839.12 and 53,075.88

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Solution

The fourth proportional to 93,362.11, 128,839.12 and 53,075.88 is: 73,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,362.11 : 128,839.12 = 53,075.88 : x
  2. Step 2: Convert to fraction form
    93,362.11/128,839.12 = 53,075.88/x
  3. Step 3: Cross multiply
    93,362.11x = 128,839.12 × 53,075.88
  4. Step 4: Simplify right side
    93,362.11x = 6,838,249,539.74
  5. Step 5: Solve for x
    x = 6,838,249,539.74/93,362.11
  6. Step 6: Final answer
    x = 73,244.38

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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.