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Finding the Fourth Proportional to 180,547.72, 249,155.22 and 101,059.72

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Solution

The fourth proportional to 180,547.72, 249,155.22 and 101,059.72 is: 139,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,547.72 : 249,155.22 = 101,059.72 : x
  2. Step 2: Convert to fraction form
    180,547.72/249,155.22 = 101,059.72/x
  3. Step 3: Cross multiply
    180,547.72x = 249,155.22 × 101,059.72
  4. Step 4: Simplify right side
    180,547.72x = 25,179,556,769.74
  5. Step 5: Solve for x
    x = 25,179,556,769.74/180,547.72
  6. Step 6: Final answer
    x = 139,462.06

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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.