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Finding the Fourth Proportional to 180,775.64, 249,569.74 and 123,501.08

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Solution

The fourth proportional to 180,775.64, 249,569.74 and 123,501.08 is: 170,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,775.64 : 249,569.74 = 123,501.08 : x
  2. Step 2: Convert to fraction form
    180,775.64/249,569.74 = 123,501.08/x
  3. Step 3: Cross multiply
    180,775.64x = 249,569.74 × 123,501.08
  4. Step 4: Simplify right side
    180,775.64x = 30,822,133,203.62
  5. Step 5: Solve for x
    x = 30,822,133,203.62/180,775.64
  6. Step 6: Final answer
    x = 170,499.37

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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.