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Finding the Fourth Proportional to 101,973,031.80, 152,959,547.70 and 88,102,421.70

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Solution

The fourth proportional to 101,973,031.80, 152,959,547.70 and 88,102,421.70 is: 132,153,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,973,031.80 : 152,959,547.70 = 88,102,421.70 : x
  2. Step 2: Convert to fraction form
    101,973,031.80/152,959,547.70 = 88,102,421.70/x
  3. Step 3: Cross multiply
    101,973,031.80x = 152,959,547.70 × 88,102,421.70
  4. Step 4: Simplify right side
    101,973,031.80x = 13,476,106,574,506,664
  5. Step 5: Solve for x
    x = 13,476,106,574,506,664/101,973,031.80
  6. Step 6: Final answer
    x = 132,153,632.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.