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Finding the Fourth Proportional to 180,461.01, 249,030.59 and 103,980.26

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Solution

The fourth proportional to 180,461.01, 249,030.59 and 103,980.26 is: 143,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,461.01 : 249,030.59 = 103,980.26 : x
  2. Step 2: Convert to fraction form
    180,461.01/249,030.59 = 103,980.26/x
  3. Step 3: Cross multiply
    180,461.01x = 249,030.59 × 103,980.26
  4. Step 4: Simplify right side
    180,461.01x = 25,894,263,731.10
  5. Step 5: Solve for x
    x = 25,894,263,731.10/180,461.01
  6. Step 6: Final answer
    x = 143,489.52

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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.